Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

11 files changed, 2782 insertions, 0 deletions

diff --git a/Source/WebCore/WebCore.gyp/WebCore.gyp b/Source/WebCore/WebCore.gyp/WebCore.gyp
new file mode 100644
index 0000000..2cd5169
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/WebCore.gyp
@@ -0,0 +1,1491 @@
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+{
+  'includes': [
+    # FIXME: Sense whether upstream or downstream build, and
+    # include the right features.gypi
+    '../../../WebKit/chromium/features.gypi',
+    '../WebCore.gypi',
+  ],
+  # Location of the chromium src directory.
+  'conditions': [
+    ['inside_chromium_build==0', {
+      # Webkit is being built outside of the full chromium project.
+      'variables': {
+        'chromium_src_dir': '../../../WebKit/chromium',
+        'libjpeg_gyp_path': '<(chromium_src_dir)/third_party/libjpeg/libjpeg.gyp',
+      },
+    },{
+      # WebKit is checked out in src/chromium/third_party/WebKit
+      'variables': {'chromium_src_dir': '../../../../..'},
+    }],
+    ['OS == "mac"', {
+      'targets': [
+        {
+          # On the Mac, libWebKitSystemInterface*.a is used to help WebCore
+          # interface with the system.  This library is supplied as a static
+          # library in binary format.  At present, it contains many global
+          # symbols not marked private_extern.  It should be considered an
+          # implementation detail of WebCore, and does not need these symbols
+          # to be exposed so widely.
+          #
+          # This target contains an action that cracks open the existing
+          # static library and rebuilds it with these global symbols
+          # transformed to private_extern.
+          'target_name': 'webkit_system_interface',
+          'type': 'static_library',
+          'variables': {
+            'adjusted_library_path':
+                '<(PRODUCT_DIR)/libWebKitSystemInterfaceLeopardPrivateExtern.a',
+          },
+          'sources': [
+            # An empty source file is needed to convince Xcode to produce
+            # output for this target.  The resulting library won't actually
+            # contain anything.  The library at adjusted_library_path will,
+            # and that library is pushed to dependents of this target below.
+            'mac/Empty.cpp',
+          ],
+          'actions': [
+            {
+              'action_name': 'Adjust Visibility',
+              'inputs': [
+                'mac/adjust_visibility.sh',
+                '../../../WebKitLibraries/libWebKitSystemInterfaceLeopard.a',
+              ],
+              'outputs': [
+                '<(adjusted_library_path)',
+              ],
+              'action': [
+                '<@(_inputs)',
+                '<@(_outputs)',
+                '<(INTERMEDIATE_DIR)/adjust_visibility',  # work directory
+              ],
+            },
+          ],  # actions
+          'link_settings': {
+            'libraries': [
+              '<(adjusted_library_path)',
+            ],
+          },  # link_settings
+        },  # target webkit_system_interface
+      ],  # targets
+    }],  # condition OS == "mac"
+    ['OS!="win" and remove_webcore_debug_symbols==1', {
+      # Remove -g from all targets defined here.
+      'target_defaults': {
+        'cflags!': ['-g'],
+      },
+    }],
+  ],  # conditions
+
+  'variables': {
+    # If set to 1, doesn't compile debug symbols into webcore reducing the
+    # size of the binary and increasing the speed of gdb.  gcc only.
+    'remove_webcore_debug_symbols%': 0,
+
+    # If set to 0, doesn't build SVG support, reducing the size of the
+    # binary and increasing the speed of gdb.
+    'enable_svg%': 1,
+
+    'webcore_include_dirs': [
+      '../',
+      '../accessibility',
+      '../accessibility/chromium',
+      '../bindings',
+      '../bindings/generic',
+      '../bindings/v8',
+      '../bindings/v8/custom',
+      '../bindings/v8/specialization',
+      '../css',
+      '../dom',
+      '../dom/default',
+      '../editing',
+      '../fileapi',
+      '../history',
+      '../html',
+      '../html/canvas',
+      '../html/parser',
+      '../html/shadow',
+      '../inspector',
+      '../loader',
+      '../loader/appcache',
+      '../loader/archive',
+      '../loader/cache',
+      '../loader/icon',
+      '../mathml',
+      '../notifications',
+      '../page',
+      '../page/animation',
+      '../page/chromium',
+      '../platform',
+      '../platform/animation',
+      '../platform/audio',
+      '../platform/audio/chromium',
+      '../platform/chromium',
+      '../platform/graphics',
+      '../platform/graphics/chromium',
+      '../platform/graphics/filters',
+      '../platform/graphics/gpu',
+      '../platform/graphics/opentype',
+      '../platform/graphics/skia',
+      '../platform/graphics/transforms',
+      '../platform/image-decoders',
+      '../platform/image-decoders/bmp',
+      '../platform/image-decoders/gif',
+      '../platform/image-decoders/ico',
+      '../platform/image-decoders/jpeg',
+      '../platform/image-decoders/png',
+      '../platform/image-decoders/skia',
+      '../platform/image-decoders/xbm',
+      '../platform/image-decoders/webp',
+      '../platform/image-encoders/skia',
+      '../platform/mock',
+      '../platform/network',
+      '../platform/network/chromium',
+      '../platform/sql',
+      '../platform/text',
+      '../platform/text/transcoder',
+      '../plugins',
+      '../plugins/chromium',
+      '../rendering',
+      '../rendering/style',
+      '../rendering/svg',
+      '../storage',
+      '../storage/chromium',
+      '../svg',
+      '../svg/animation',
+      '../svg/graphics',
+      '../svg/graphics/filters',
+      '../svg/properties',
+      '../webaudio',
+      '../websockets',
+      '../workers',
+      '../xml',
+    ],
+
+    'bindings_idl_files': [
+      '<@(webcore_bindings_idl_files)',
+    ],
+
+    'bindings_idl_files!': [
+      # Custom bindings in bindings/v8/custom exist for these.
+      '../dom/EventListener.idl',
+      '../dom/EventTarget.idl',
+      '../html/VoidCallback.idl',
+
+      # Bindings with custom Objective-C implementations.
+      '../page/AbstractView.idl',
+
+      # These bindings are excluded, as they're only used through inheritance and don't define constants that would need a constructor.
+      '../svg/ElementTimeControl.idl',
+      '../svg/SVGExternalResourcesRequired.idl',
+      '../svg/SVGFilterPrimitiveStandardAttributes.idl',
+      '../svg/SVGFitToViewBox.idl',
+
+      '../svg/SVGLangSpace.idl',
+      '../svg/SVGLocatable.idl',
+      '../svg/SVGStylable.idl',
+      '../svg/SVGTests.idl',
+      '../svg/SVGTransformable.idl',
+      '../svg/SVGViewSpec.idl',
+      '../svg/SVGZoomAndPan.idl',
+
+      # FIXME: I don't know why these are excluded, either.
+      # Someone (me?) should figure it out and add appropriate comments.
+      '../css/CSSUnknownRule.idl',
+    ],
+
+    'conditions': [
+      # TODO(maruel): Move it in its own project or generate it anyway?
+      ['enable_svg!=0', {
+        'bindings_idl_files': [
+          '<@(webcore_svg_bindings_idl_files)',
+        ],
+      }],
+      ['OS=="mac"', {
+        'webcore_include_dirs+': [
+          # platform/graphics/cg and cocoa need to come before
+          # platform/graphics/chromium so that the Mac build picks up the
+          # version of ImageBufferData.h in the cg directory and
+          # FontPlatformData.h in the cocoa directory.  The + prepends this
+          # directory to the list.
+          # FIXME: This shouldn't need to be prepended.
+          '../platform/graphics/cocoa',
+          '../platform/graphics/cg',
+        ],
+        'webcore_include_dirs': [
+          # FIXME: Eliminate dependency on platform/mac and related
+          # directories.
+          # FIXME: Eliminate dependency on platform/graphics/mac and
+          # related directories.
+          # platform/graphics/cg may need to stick around, though.
+          '../loader/archive/cf',
+          '../platform/audio/mac',
+          '../platform/graphics/mac',
+          '../platform/mac',
+          '../platform/text/mac',
+        ],
+      }],
+      ['OS=="win"', {
+        'webcore_include_dirs': [
+          '../page/win',
+          '../platform/audio/win',
+          '../platform/graphics/win',
+          '../platform/text/win',
+          '../platform/win',
+        ],
+      },{
+        # enable -Wall and -Werror, just for Mac and Linux builds for now
+        # FIXME: Also enable this for Windows after verifying no warnings
+        'chromium_code': 1,
+      }],
+      ['OS=="win" and buildtype=="Official"', {
+        # On windows official release builds, we try to preserve symbol space.
+        'derived_sources_aggregate_files': [
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSourcesAll.cpp',
+        ],
+      },{
+        'derived_sources_aggregate_files': [
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources1.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources2.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources3.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources4.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources5.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources6.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources7.cpp',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8DerivedSources8.cpp',
+        ],
+      }],
+    ],
+  },
+  'targets': [
+    {
+      'target_name': 'inspector_protocol_sources',
+      'type': 'none',
+      'actions': [
+        {
+          'action_name': 'generateInspectorProtocolSources',
+          # The second input item will be used as item name in vcproj.
+          # It is not possible to put Inspector.idl there because
+          # all idl files are marking as excluded by gyp generator.
+          'inputs': [
+            '../bindings/scripts/generate-bindings.pl',
+            '../inspector/CodeGeneratorInspector.pm',
+            '../bindings/scripts/CodeGenerator.pm',
+            '../bindings/scripts/IDLParser.pm',
+            '../bindings/scripts/IDLStructure.pm',
+            '../inspector/Inspector.idl',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webcore/InspectorBackendDispatcher.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webcore/InspectorBackendStub.js',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/InspectorBackendDispatcher.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webcore/InspectorFrontend.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/InspectorFrontend.h',
+          ],
+          'variables': {
+            'generator_include_dirs': [
+            ],
+          },
+          'action': [
+            'python',
+            'scripts/rule_binding.py',
+            '../inspector/Inspector.idl',
+            '<(SHARED_INTERMEDIATE_DIR)/webcore',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--defines', '<(feature_defines) LANGUAGE_JAVASCRIPT',
+            '--generator', 'Inspector',
+            '<@(generator_include_dirs)'
+          ],
+          'message': 'Generating Inspector protocol sources from Inspector.idl',
+        },
+      ]
+    },
+    {
+      'target_name': 'webcore_bindings_sources',
+      'type': 'none',
+      'hard_dependency': 1,
+      'sources': [
+        # bison rule
+        '../css/CSSGrammar.y',
+        '../xml/XPathGrammar.y',
+
+        # gperf rule
+        '../html/DocTypeStrings.gperf',
+        '../platform/ColorData.gperf',
+
+        # idl rules
+        '<@(bindings_idl_files)',
+      ],
+      'actions': [
+        # Actions to build derived sources.
+        {
+          'action_name': 'HTMLEntityTable',
+          'inputs': [
+            '../html/parser/HTMLEntityNames.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLEntityTable.cpp'
+          ],
+          'action': [
+            'python',
+            '../html/parser/create-html-entity-table',
+            '-o',
+            '<@(_outputs)',
+            '<@(_inputs)'
+          ],
+        },
+        {
+          'action_name': 'CSSPropertyNames',
+          'inputs': [
+            '../css/makeprop.pl',
+            '../css/CSSPropertyNames.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSPropertyNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSPropertyNames.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_csspropertynames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)'
+          ],
+          'conditions': [
+            # TODO(maruel): Move it in its own project or generate it anyway?
+            ['enable_svg!=0', {
+              'inputs': [
+                '../css/SVGCSSPropertyNames.in',
+              ],
+            }],
+          ],
+        },
+        {
+          'action_name': 'CSSValueKeywords',
+          'inputs': [
+            '../css/makevalues.pl',
+            '../css/CSSValueKeywords.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSValueKeywords.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSValueKeywords.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_cssvaluekeywords.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)'
+          ],
+          'conditions': [
+            # TODO(maruel): Move it in its own project or generate it anyway?
+            ['enable_svg!=0', {
+              'inputs': [
+                '../css/SVGCSSValueKeywords.in',
+              ],
+            }],
+          ],
+        },
+        {
+          'action_name': 'HTMLNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../html/HTMLTagNames.in',
+            '../html/HTMLAttributeNames.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLNames.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLElementFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/V8HTMLElementWrapperFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/V8HTMLElementWrapperFactory.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--factory',
+            '--wrapperFactoryV8',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'SVGNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../svg/svgtags.in',
+            '../svg/svgattrs.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGNames.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGElementFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGElementFactory.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/V8SVGElementWrapperFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/V8SVGElementWrapperFactory.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--factory',
+            '--wrapperFactoryV8',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'MathMLNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../mathml/mathtags.in',
+            '../mathml/mathattrs.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLNames.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLElementFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLElementFactory.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--factory',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'UserAgentStyleSheets',
+          'inputs': [
+            '../css/make-css-file-arrays.pl',
+            '../css/html.css',
+            '../css/quirks.css',
+            '../css/view-source.css',
+            '../css/themeChromiumLinux.css',
+            '../css/themeChromiumSkia.css',
+            '../css/themeWin.css',
+            '../css/themeWinQuirks.css',
+            '../css/svg.css',
+            '../css/mathml.css',
+            '../css/mediaControls.css',
+            '../css/mediaControlsChromium.css',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/UserAgentStyleSheets.h',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/UserAgentStyleSheetsData.cpp',
+          ],
+          'action': [
+            'python',
+            'scripts/action_useragentstylesheets.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)'
+          ],
+        },
+        {
+          'action_name': 'XLinkNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../svg/xlinkattrs.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XLinkNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XLinkNames.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'XMLNSNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../xml/xmlnsattrs.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNSNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNSNames.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'XMLNames',
+          'inputs': [
+            '../dom/make_names.pl',
+            '../xml/xmlattrs.in',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNames.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNames.h',
+          ],
+          'action': [
+            'python',
+            'scripts/action_makenames.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--extraDefines', '<(feature_defines)'
+          ],
+        },
+        {
+          'action_name': 'tokenizer',
+          'inputs': [
+            '../css/maketokenizer',
+            '../css/tokenizer.flex',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/tokenizer.cpp',
+          ],
+          'action': [
+            'python',
+            'scripts/action_maketokenizer.py',
+            '<@(_outputs)',
+            '--',
+            '<@(_inputs)'
+          ],
+        },
+        {
+          'action_name': 'derived_sources_all_in_one',
+          'variables': {
+            # Write sources into a file, so that the action command line won't
+            # exceed OS limites.
+            'idls_list_temp_file': '<|(idls_list_temp_file.tmp <@(bindings_idl_files))',
+          },
+          'inputs': [
+            'scripts/action_derivedsourcesallinone.py',
+            '<(idls_list_temp_file)',
+            '<!@(cat <(idls_list_temp_file))',
+          ],
+          'outputs': [
+            '<@(derived_sources_aggregate_files)',
+          ],
+          'action': [
+            'python',
+            'scripts/action_derivedsourcesallinone.py',
+            '<(idls_list_temp_file)',
+            '--',
+            '<@(derived_sources_aggregate_files)',
+          ],
+        },
+      ],
+      'rules': [
+        # Rules to build derived sources.
+        {
+          'rule_name': 'bison',
+          'extension': 'y',
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).h'
+          ],
+          'action': [
+            'python',
+            'scripts/rule_bison.py',
+            '<(RULE_INPUT_PATH)',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit'
+          ],
+        },
+        {
+          'rule_name': 'gperf',
+          'extension': 'gperf',
+          #
+          # gperf outputs are generated by WebCore/make-hash-tools.pl
+          #
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/<(RULE_INPUT_ROOT).cpp',
+          ],
+          'inputs': [
+            '../make-hash-tools.pl',
+          ],
+          'action': [
+            'perl',
+            '../make-hash-tools.pl',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit',
+            '<(RULE_INPUT_PATH)',
+          ],
+        },
+        # Rule to build generated JavaScript (V8) bindings from .idl source.
+        {
+          'rule_name': 'binding',
+          'extension': 'idl',
+          'msvs_external_rule': 1,
+          'inputs': [
+            '../bindings/scripts/generate-bindings.pl',
+            '../bindings/scripts/CodeGenerator.pm',
+            '../bindings/scripts/CodeGeneratorV8.pm',
+            '../bindings/scripts/IDLParser.pm',
+            '../bindings/scripts/IDLStructure.pm',
+          ],
+          'outputs': [
+            # FIXME:  The .cpp file should be in webkit/bindings once
+            # we coax GYP into supporting it (see 'action' below).
+            '<(SHARED_INTERMEDIATE_DIR)/webcore/bindings/V8<(RULE_INPUT_ROOT).cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8<(RULE_INPUT_ROOT).h',
+          ],
+          'variables': {
+            'generator_include_dirs': [
+              '--include', '../css',
+              '--include', '../dom',
+              '--include', '../fileapi',
+              '--include', '../html',
+              '--include', '../notifications',
+              '--include', '../page',
+              '--include', '../plugins',
+              '--include', '../storage',
+              '--include', '../svg',
+              '--include', '../webaudio',
+              '--include', '../websockets',
+              '--include', '../workers',
+              '--include', '../xml',
+            ],
+          },
+          # FIXME:  Note that we put the .cpp files in webcore/bindings
+          # but the .h files in webkit/bindings.  This is to work around
+          # the unfortunate fact that GYP strips duplicate arguments
+          # from lists.  When we have a better GYP way to suppress that
+          # behavior, change the output location.
+          'action': [
+            'python',
+            'scripts/rule_binding.py',
+            '<(RULE_INPUT_PATH)',
+            '<(SHARED_INTERMEDIATE_DIR)/webcore/bindings',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings',
+            '--',
+            '<@(_inputs)',
+            '--',
+            '--defines', '<(feature_defines) LANGUAGE_JAVASCRIPT V8_BINDING',
+            '--generator', 'V8',
+            '<@(generator_include_dirs)'
+          ],
+          'message': 'Generating binding from <(RULE_INPUT_PATH)',
+        },
+      ],
+    },
+    {
+      'target_name': 'webcore_bindings',
+      'type': '<(library)',
+      'hard_dependency': 1,
+      'dependencies': [
+        'webcore_bindings_sources',
+        'inspector_protocol_sources',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:pcre',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:wtf',
+        '<(chromium_src_dir)/build/temp_gyp/googleurl.gyp:googleurl',
+        '<(chromium_src_dir)/skia/skia.gyp:skia',
+        '<(chromium_src_dir)/third_party/iccjpeg/iccjpeg.gyp:iccjpeg',
+        '<(chromium_src_dir)/third_party/libpng/libpng.gyp:libpng',
+        '<(chromium_src_dir)/third_party/libxml/libxml.gyp:libxml',
+        '<(chromium_src_dir)/third_party/libxslt/libxslt.gyp:libxslt',
+        '<(chromium_src_dir)/third_party/libwebp/libwebp.gyp:libwebp',
+        '<(chromium_src_dir)/third_party/npapi/npapi.gyp:npapi',
+        '<(chromium_src_dir)/third_party/sqlite/sqlite.gyp:sqlite',
+        '<(libjpeg_gyp_path):libjpeg',
+      ],
+      'include_dirs': [
+        '<(INTERMEDIATE_DIR)',
+        # FIXME:  Remove <(SHARED_INTERMEDIATE_DIR)/webcore when we
+        # can entice gyp into letting us put both the .cpp and .h
+        # files in the same output directory.
+        '<(SHARED_INTERMEDIATE_DIR)/webcore',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings',
+        '<@(webcore_include_dirs)',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<(SHARED_INTERMEDIATE_DIR)/webkit',
+          '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings',
+        ],
+      },
+      'sources': [
+        # These files include all the .cpp files generated from the .idl files
+        # in webcore_files.
+        '<@(derived_sources_aggregate_files)',
+
+        # Additional .cpp files for HashTools.h
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/DocTypeStrings.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/ColorData.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSPropertyNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSValueKeywords.cpp',
+
+        # Additional .cpp files from webcore_bindings_sources actions.
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLElementFactory.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/UserAgentStyleSheetsData.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/V8HTMLElementWrapperFactory.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/XLinkNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNSNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/XMLNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGNames.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLElementFactory.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/MathMLNames.cpp',
+
+        # Generated from HTMLEntityNames.in
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/HTMLEntityTable.cpp',
+
+        # Additional .cpp files from the webcore_bindings_sources rules.
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/CSSGrammar.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webkit/XPathGrammar.cpp',
+
+        # Additional .cpp files from the webcore_inspector_sources list.
+        '<(SHARED_INTERMEDIATE_DIR)/webcore/InspectorFrontend.cpp',
+        '<(SHARED_INTERMEDIATE_DIR)/webcore/InspectorBackendDispatcher.cpp',
+      ],
+      'conditions': [
+        ['javascript_engine=="v8"', {
+          'dependencies': [
+            '<(chromium_src_dir)/v8/tools/gyp/v8.gyp:v8',
+          ],
+          'conditions': [
+            ['inside_chromium_build==1 and OS=="win" and component=="shared_library"', {
+              'defines': [
+                'USING_V8_SHARED',
+              ],
+            }],
+          ],
+        }],
+        # TODO(maruel): Move it in its own project or generate it anyway?
+        ['enable_svg!=0', {
+          'sources': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/SVGElementFactory.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/V8SVGElementWrapperFactory.cpp',
+         ],
+        }],
+        ['OS=="mac"', {
+          'include_dirs': [
+            '../../../WebKitLibraries',
+          ],
+        }],
+        ['OS=="win"', {
+          'dependencies': [
+            '<(chromium_src_dir)/build/win/system.gyp:cygwin'
+          ],
+          'defines': [
+            'WEBCORE_NAVIGATOR_PLATFORM="Win32"',
+            '__PRETTY_FUNCTION__=__FUNCTION__',
+          ],
+          # This is needed because Event.h in this directory is blocked
+          # by a system header on windows.
+          'include_dirs++': ['../dom'],
+          'direct_dependent_settings': {
+            'include_dirs+++': ['../dom'],
+          },
+        }],
+        # FIXME: (kbr) ideally this target should just depend on webcore_prerequisites
+        # to pick up this include directory, but I'm nervous about making that change.
+        ['(OS=="linux" or OS=="win") and "WTF_USE_WEBAUDIO_MKL=1" in feature_defines', {
+          'include_dirs': [
+            '<(chromium_src_dir)/third_party/mkl/include',
+          ],
+        }],
+      ],
+    },
+    {
+      # We'll soon split libwebcore in multiple smaller libraries.
+      # webcore_prerequisites will be the 'base' target of every sub-target.
+      'target_name': 'webcore_prerequisites',
+      'type': 'none',
+      'dependencies': [
+        'webcore_bindings',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:pcre',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:wtf',
+        '<(chromium_src_dir)/build/temp_gyp/googleurl.gyp:googleurl',
+        '<(chromium_src_dir)/skia/skia.gyp:skia',
+        '<(chromium_src_dir)/third_party/iccjpeg/iccjpeg.gyp:iccjpeg',
+        '<(chromium_src_dir)/third_party/libwebp/libwebp.gyp:libwebp',
+        '<(chromium_src_dir)/third_party/libpng/libpng.gyp:libpng',
+        '<(chromium_src_dir)/third_party/libxml/libxml.gyp:libxml',
+        '<(chromium_src_dir)/third_party/libxslt/libxslt.gyp:libxslt',
+        '<(chromium_src_dir)/third_party/npapi/npapi.gyp:npapi',
+        '<(chromium_src_dir)/third_party/ots/ots.gyp:ots',
+        '<(chromium_src_dir)/third_party/sqlite/sqlite.gyp:sqlite',
+        '<(chromium_src_dir)/third_party/angle/src/build_angle.gyp:translator_common',
+        '<(libjpeg_gyp_path):libjpeg',
+      ],
+      'export_dependent_settings': [
+        'webcore_bindings',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:pcre',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:wtf',
+        '<(chromium_src_dir)/build/temp_gyp/googleurl.gyp:googleurl',
+        '<(chromium_src_dir)/skia/skia.gyp:skia',
+        '<(chromium_src_dir)/third_party/iccjpeg/iccjpeg.gyp:iccjpeg',
+        '<(chromium_src_dir)/third_party/libwebp/libwebp.gyp:libwebp',
+        '<(chromium_src_dir)/third_party/libpng/libpng.gyp:libpng',
+        '<(chromium_src_dir)/third_party/libxml/libxml.gyp:libxml',
+        '<(chromium_src_dir)/third_party/libxslt/libxslt.gyp:libxslt',
+        '<(chromium_src_dir)/third_party/npapi/npapi.gyp:npapi',
+        '<(chromium_src_dir)/third_party/ots/ots.gyp:ots',
+        '<(chromium_src_dir)/third_party/sqlite/sqlite.gyp:sqlite',
+        '<(chromium_src_dir)/third_party/angle/src/build_angle.gyp:translator_common',
+        '<(libjpeg_gyp_path):libjpeg',
+      ],
+      # This is needed for mac because of webkit_system_interface. It'd be nice
+      # if this hard dependency could be split off the rest.
+      'hard_dependency': 1,
+      'direct_dependent_settings': {
+        'defines': [
+          'WEBCORE_NAVIGATOR_VENDOR="Google Inc."',
+        ],
+        'include_dirs': [
+          '<(INTERMEDIATE_DIR)',
+          '<@(webcore_include_dirs)',
+          '<(chromium_src_dir)/gpu',
+          '<(chromium_src_dir)/third_party/angle/include/GLSLANG',
+        ],
+        'mac_framework_dirs': [
+          '$(SDKROOT)/System/Library/Frameworks/ApplicationServices.framework/Frameworks',
+        ],
+        'msvs_disabled_warnings': [
+          4138, 4244, 4291, 4305, 4344, 4355, 4521, 4099,
+        ],
+        'scons_line_length' : 1,
+        'xcode_settings': {
+          # Some Mac-specific parts of WebKit won't compile without having this
+          # prefix header injected.
+          # FIXME: make this a first-class setting.
+          'GCC_PREFIX_HEADER': '../WebCorePrefix.h',
+        },
+      },
+      'conditions': [
+        ['javascript_engine=="v8"', {
+          'dependencies': [
+            '<(chromium_src_dir)/v8/tools/gyp/v8.gyp:v8',
+          ],
+          'export_dependent_settings': [
+            '<(chromium_src_dir)/v8/tools/gyp/v8.gyp:v8',
+          ],
+          'conditions': [
+            ['inside_chromium_build==1 and OS=="win" and component=="shared_library"', {
+              'defines': [
+                'USING_V8_SHARED',
+              ],
+            }],
+          ],
+        }],
+        ['use_accelerated_compositing==1', {
+          'dependencies': [
+            '<(chromium_src_dir)/gpu/gpu.gyp:gles2_c_lib',
+          ],
+          'export_dependent_settings': [
+            '<(chromium_src_dir)/gpu/gpu.gyp:gles2_c_lib',
+          ],
+        }],
+        ['OS=="linux" or OS=="freebsd"', {
+          'dependencies': [
+            '<(chromium_src_dir)/build/linux/system.gyp:fontconfig',
+            '<(chromium_src_dir)/build/linux/system.gyp:gtk',
+          ],
+          'export_dependent_settings': [
+            '<(chromium_src_dir)/build/linux/system.gyp:fontconfig',
+            '<(chromium_src_dir)/build/linux/system.gyp:gtk',
+          ],
+          'cflags': [
+            # WebCore does not work with strict aliasing enabled.
+            # https://bugs.webkit.org/show_bug.cgi?id=25864
+            '-fno-strict-aliasing',
+          ],
+        }],
+        ['OS=="linux"', {
+          'defines': [
+            # Mozilla on Linux effectively uses uname -sm, but when running
+            # 32-bit x86 code on an x86_64 processor, it uses
+            # "Linux i686 (x86_64)".  Matching that would require making a
+            # run-time determination.
+            'WEBCORE_NAVIGATOR_PLATFORM="Linux i686"',
+          ],
+        }],
+        ['OS=="mac"', {
+          'dependencies': [
+            'webkit_system_interface',
+          ],
+          'export_dependent_settings': [
+            'webkit_system_interface',
+          ],
+          'defines': [
+            # Match Safari and Mozilla on Mac x86.
+            'WEBCORE_NAVIGATOR_PLATFORM="MacIntel"',
+
+            # Chromium's version of WebCore includes the following Objective-C
+            # classes. The system-provided WebCore framework may also provide
+            # these classes. Because of the nature of Objective-C binding
+            # (dynamically at runtime), it's possible for the Chromium-provided
+            # versions to interfere with the system-provided versions.  This may
+            # happen when a system framework attempts to use WebCore.framework,
+            # such as when converting an HTML-flavored string to an
+            # NSAttributedString.  The solution is to force Objective-C class
+            # names that would conflict to use alternate names.
+
+            # FIXME: This list will hopefully shrink but may also grow.
+            # Periodically run:
+            # nm libwebcore.a | grep -E '[atsATS] ([+-]\[|\.objc_class_name)'
+            # and make sure that everything listed there has the alternate
+            # ChromiumWebCoreObjC name, and that nothing extraneous is listed
+            # here. If all Objective-C can be eliminated from Chromium's WebCore
+            # library, these defines should be removed entirely.
+            'ScrollbarPrefsObserver=ChromiumWebCoreObjCScrollbarPrefsObserver',
+            'WebCoreRenderThemeNotificationObserver=ChromiumWebCoreObjCWebCoreRenderThemeNotificationObserver',
+            'WebFontCache=ChromiumWebCoreObjCWebFontCache',
+          ],
+          'include_dirs': [
+            '../../../WebKitLibraries',
+          ],
+        }],
+        ['OS=="win"', {
+          'dependencies': [
+            '<(chromium_src_dir)/build/win/system.gyp:cygwin'
+          ],
+          'export_dependent_settings': [
+            '<(chromium_src_dir)/build/win/system.gyp:cygwin'
+          ],
+          'defines': [
+            # Match Safari and Mozilla on Windows.
+            'WEBCORE_NAVIGATOR_PLATFORM="Win32"',
+            '__PRETTY_FUNCTION__=__FUNCTION__',
+          ],
+          # This is needed because Event.h in this directory is blocked
+          # by a system header on windows.
+          'include_dirs++': ['../dom'],
+        }],
+        ['(OS=="linux" or OS=="win") and "WTF_USE_WEBAUDIO_MKL=1" in feature_defines', {
+          # This directory needs to be on the include path for multiple sub-targets of webcore.
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '<(chromium_src_dir)/third_party/mkl/include',
+            ],
+          },
+        }],
+      ],
+    },
+    {
+      'target_name': 'webcore_html',
+      'type': '<(library)',
+      'dependencies': [
+        'webcore_prerequisites',
+      ],
+      'sources': [
+        '<@(webcore_files)',
+      ],
+      'sources/': [
+        # Start by excluding everything then include html files only.
+        ['exclude', '.*'],
+        ['include', 'html/'],
+      ],
+    },
+    {
+      'target_name': 'webcore_svg',
+      'type': '<(library)',
+      'dependencies': [
+        'webcore_prerequisites',
+      ],
+      'sources': [
+        '<@(webcore_files)',
+      ],
+      'sources/': [
+        # Start by excluding everything then include svg files only. Note that
+        # css/SVG* and bindings/v8/custom/V8SVG* are still built in
+        # webcore_remaining.
+        ['exclude', '.*'],
+        ['include', 'svg/'],
+        ['include', 'css/svg/'],
+        ['include', 'rendering/style/SVG'],
+        ['include', 'rendering/RenderSVG'],
+        ['include', 'rendering/SVG'],
+        ['exclude', 'svg/SVGAllInOne\\.cpp$'],
+      ],
+    },
+    {
+      'target_name': 'webcore_platform',
+      'type': '<(library)',
+      'dependencies': [
+        'webcore_prerequisites',
+      ],
+      # This is needed for mac because of webkit_system_interface. It'd be nice
+      # if this hard dependency could be split off the rest.
+      'hard_dependency': 1,
+      'sources': [
+        '<@(webcore_files)',
+
+        # For WebCoreSystemInterface, Mac-only.
+        '../../../WebKit/mac/WebCoreSupport/WebSystemInterface.mm',
+      ],
+      'sources/': [
+        # Start by excluding everything then include platform files only.
+        ['exclude', '.*'],
+        ['include', 'platform/'],
+
+        # Exclude things that don't apply to the Chromium platform on the basis
+        # of their enclosing directories and tags at the ends of their
+        # filenames.
+        ['exclude', '(android|cairo|cf|cg|curl|gtk|haiku|linux|mac|mkl|opentype|posix|qt|soup|svg|symbian|win|wx)/'],
+        ['exclude', '(?<!Chromium)(Android|Cairo|CF|CG|Curl|Gtk|Linux|Mac|OpenType|POSIX|Posix|Qt|Safari|Soup|Symbian|Win|Wx)\\.(cpp|mm?)$'],
+
+        # A few things can't be excluded by patterns.  List them individually.
+
+        ['include', 'platform/graphics/opentype/OpenTypeSanitizer\\.cpp$'],
+
+        # Exclude some DB-related files.
+        ['exclude', 'platform/sql/SQLiteFileSystem\\.cpp$'],
+
+        # Use platform/KURLGoogle.cpp instead.
+        ['exclude', 'platform/KURL\\.cpp$'],
+
+        # Use platform/MIMETypeRegistryChromium.cpp instead.
+        ['exclude', 'platform/MIMETypeRegistry\\.cpp$'],
+
+        # Theme.cpp is used only if we're using USE_NEW_THEME. We are not for
+        # Windows and Linux. We manually include Theme.cpp for the Mac below.
+        ['exclude', 'platform/Theme\\.cpp$'],
+
+        # Use LinkHashChromium.cpp instead
+        ['exclude', 'platform/LinkHash\\.cpp$'],
+      ],
+      'conditions': [
+        ['OS=="linux" or OS=="freebsd"', {
+          'sources/': [
+            # Cherry-pick files excluded by the broader regular expressions above.
+            ['include', 'platform/chromium/KeyCodeConversionGtk\\.cpp$'],
+            ['include', 'platform/graphics/chromium/ComplexTextControllerLinux\\.cpp$'],
+            ['include', 'platform/graphics/chromium/FontCacheLinux\\.cpp$'],
+            ['include', 'platform/graphics/chromium/FontLinux\\.cpp$'],
+            ['include', 'platform/graphics/chromium/FontPlatformDataLinux\\.cpp$'],
+            ['include', 'platform/graphics/chromium/SimpleFontDataLinux\\.cpp$'],
+          ],
+          'dependencies': [
+            '<(chromium_src_dir)/third_party/harfbuzz/harfbuzz.gyp:harfbuzz',
+          ],
+        }],
+        ['OS=="mac"', {
+          # Necessary for Mac .mm stuff.
+          'include_dirs': [
+            '../../../WebKitLibraries',
+          ],
+          'dependencies': [
+            'webkit_system_interface',
+          ],
+          'actions': [
+            {
+              # Allow framework-style #include of
+              # <WebCore/WebCoreSystemInterface.h>.
+              'action_name': 'WebCoreSystemInterface.h',
+              'inputs': [
+                '../platform/mac/WebCoreSystemInterface.h',
+              ],
+              'outputs': [
+                '<(INTERMEDIATE_DIR)/WebCore/WebCoreSystemInterface.h',
+              ],
+              'action': ['cp', '<@(_inputs)', '<@(_outputs)'],
+            },
+          ],
+          'sources/': [
+            # Additional files from the WebCore Mac build that are presently
+            # used in the WebCore Chromium Mac build too.
+
+            # The Mac build is PLATFORM_CF but does not use CFNetwork.
+            ['include', 'CF\\.cpp$'],
+            ['exclude', 'network/cf/'],
+
+            # The Mac build is PLATFORM_CG too.  platform/graphics/cg is the
+            # only place that CG files we want to build are located, and not
+            # all of them even have a CG suffix, so just add them by a
+            # regexp matching their directory.
+            ['include', 'platform/graphics/cg/[^/]*(?<!Win)?\\.(cpp|mm?)$'],
+
+            # Use native Mac font code from WebCore.
+            ['include', 'platform/(graphics/)?mac/[^/]*Font[^/]*\\.(cpp|mm?)$'],
+            ['include', 'platform/graphics/mac/ComplexText[^/]*\\.(cpp|h)$'],
+
+            # AudioBusMac is necessary for web audio API bringup on Chrome.
+            # It will later be replaced with chromium-specific code.
+            ['include', 'platform/audio/mac/AudioBusMac\\.mm$'],
+            ['include', 'platform/audio/mac/FFTFrameMac\\.cpp$'],
+
+            # Cherry-pick some files that can't be included by broader regexps.
+            # Some of these are used instead of Chromium platform files, see
+            # the specific exclusions in the "sources!" list below.
+            ['include', 'rendering/RenderThemeMac\\.mm$'],
+            ['include', 'loader/archive/cf/LegacyWebArchive\\.cpp$'],
+            ['include', 'platform/graphics/mac/ColorMac\\.mm$'],
+            ['include', 'platform/graphics/mac/FloatPointMac\\.mm$'],
+            ['include', 'platform/graphics/mac/FloatRectMac\\.mm$'],
+            ['include', 'platform/graphics/mac/FloatSizeMac\\.mm$'],
+            ['include', 'platform/graphics/mac/GlyphPageTreeNodeMac\\.cpp$'],
+            ['include', 'platform/graphics/mac/GraphicsContextMac\\.mm$'],
+            ['include', 'platform/graphics/mac/IntRectMac\\.mm$'],
+            ['include', 'platform/mac/BlockExceptions\\.mm$'],
+            ['include', 'platform/mac/KillRingMac\\.mm$'],
+            ['include', 'platform/mac/LocalCurrentGraphicsContext\\.mm$'],
+            ['include', 'platform/mac/PurgeableBufferMac\\.cpp$'],
+            ['include', 'platform/mac/WebCoreSystemInterface\\.mm$'],
+            ['include', 'platform/mac/WebCoreTextRenderer\\.mm$'],
+            ['include', 'platform/text/mac/ShapeArabic\\.c$'],
+            ['include', 'platform/text/mac/String(Impl)?Mac\\.mm$'],
+            # Use USE_NEW_THEME on Mac.
+            ['include', 'platform/Theme\\.cpp$'],
+
+            ['include', 'WebKit/mac/WebCoreSupport/WebSystemInterface\\.mm$'],
+
+            # Chromium Mac does not use skia.
+            ['exclude', 'platform/graphics/skia/[^/]*Skia\\.(cpp|h)$'],
+
+            # The Mac uses platform/mac/KillRingMac.mm instead of the dummy
+            # implementation.
+            ['exclude', 'platform/KillRingNone\\.cpp$'],
+
+            # The Mac currently uses FontCustomPlatformData.cpp from
+            # platform/graphics/mac, included by regex above, instead.
+            ['exclude', 'platform/graphics/skia/FontCustomPlatformData\\.cpp$'],
+
+            # The Mac currently uses ScrollbarThemeChromiumMac.mm, which is not
+            # related to ScrollbarThemeChromium.cpp.
+            ['exclude', 'platform/chromium/ScrollbarThemeChromium\\.cpp$'],
+
+            # The Mac currently uses ImageChromiumMac.mm from
+            # platform/graphics/chromium, included by regex above, instead.
+            ['exclude', 'platform/graphics/chromium/ImageChromium\\.cpp$'],
+
+            # The Mac does not use ImageSourceCG.cpp from platform/graphics/cg
+            # even though it is included by regex above.
+            ['exclude', 'platform/graphics/cg/ImageSourceCG\\.cpp$'],
+            ['exclude', 'platform/graphics/cg/PDFDocumentImage\\.cpp$'],
+
+            # ImageDecoderSkia is not used on mac.  ImageDecoderCG is used instead.
+            ['exclude', 'platform/image-decoders/skia/ImageDecoderSkia\\.cpp$'],
+            ['include', 'platform/image-decoders/cg/ImageDecoderCG\\.cpp$'],
+
+            # Again, Skia is not used on Mac.
+            ['exclude', 'platform/chromium/DragImageChromiumSkia\\.cpp$'],
+          ],
+        }],
+        ['OS!="linux" and OS!="freebsd"', {
+          'sources/': [
+            ['exclude', '(Gtk|Linux)\\.cpp$'],
+            ['exclude', 'Harfbuzz[^/]+\\.(cpp|h)$'],
+            ['exclude', 'VDMX[^/]+\\.(cpp|h)$'],
+          ],
+        }],
+        ['OS!="mac"', {
+          'sources/': [['exclude', 'Mac\\.(cpp|mm?)$']]
+        }],
+        ['OS!="win"', {
+          'sources/': [
+            ['exclude', 'Win\\.cpp$'],
+            ['exclude', '/(Windows|Uniscribe)[^/]*\\.cpp$']
+          ],
+        }],
+        ['OS=="win"', {
+          'sources/': [
+            ['exclude', 'Posix\\.cpp$'],
+
+            # The Chromium Win currently uses GlyphPageTreeNodeChromiumWin.cpp from
+            # platform/graphics/chromium, included by regex above, instead.
+            ['exclude', 'platform/graphics/skia/GlyphPageTreeNodeSkia\\.cpp$']
+          ],
+        }],
+        ['"ENABLE_CLIENT_BASED_GEOLOCATION=1" in feature_defines', {
+          'sources/': [
+            ['exclude', '/GeolocationService.*$'],
+          ],
+        }],
+        ['(OS=="linux" or OS=="win") and "WTF_USE_WEBAUDIO_MKL=1" in feature_defines', {
+          'sources/': [
+            ['include', 'platform/audio/mkl/FFTFrameMKL\\.cpp$'],
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'webcore_remaining',
+      'type': '<(library)',
+      'dependencies': [
+        'webcore_prerequisites',
+      ],
+      # This is needed for mac because of webkit_system_interface. It'd be nice
+      # if this hard dependency could be split off the rest.
+      'hard_dependency': 1,
+      'sources': [
+        '<@(webcore_files)',
+      ],
+      'sources/': [
+        # Exclude JSC custom bindings.
+        ['exclude', 'bindings/js'],
+
+        # Fortunately, many things can be excluded by using broad patterns.
+
+        # Exclude things that don't apply to the Chromium platform on the basis
+        # of their enclosing directories and tags at the ends of their
+        # filenames.
+        ['exclude', '(android|cairo|cf|cg|curl|gtk|haiku|html|linux|mac|opentype|platform|posix|qt|soup|svg|symbian|win|wx)/'],
+        ['exclude', '(?<!Chromium)(Android|Cairo|CF|CG|Curl|Gtk|Linux|Mac|OpenType|POSIX|Posix|Qt|Safari|Soup|Symbian|Win|Wx)\\.(cpp|mm?)$'],
+
+        # Exclude most of SVG except css and javascript bindings.
+        ['exclude', 'rendering/style/SVG[^/]+.(cpp|h)$'],
+        ['exclude', 'rendering/RenderSVG[^/]+.(cpp|h)$'],
+        ['exclude', 'rendering/SVG[^/]+.(cpp|h)$'],
+
+        # JSC-only.
+        ['exclude', 'inspector/JavaScript[^/]*\\.cpp$'],
+
+        # ENABLE_OFFLINE_WEB_APPLICATIONS, exclude most of webcore's impl
+        ['exclude', 'loader/appcache/'],
+        ['include', 'loader/appcache/ApplicationCacheHost\.h$'],
+        ['include', 'loader/appcache/DOMApplicationCache\.(h|cpp)$'],
+
+        # Exclude some DB-related files.
+        ['exclude', 'storage/DatabaseTracker\\.cpp$'],
+        ['exclude', 'storage/DatabaseTrackerClient\\.h$'],
+        ['exclude', 'storage/OriginQuotaManager\\.(cpp|h)$'],
+        ['exclude', 'storage/OriginUsageRecord\\.(cpp|h)$'],
+        ['exclude', 'storage/SQLTransactionClient\\.cpp$'],
+
+        # Don't build StorageNamespace.  We have our own implementation.
+        ['exclude', 'storage/StorageNamespace\\.cpp$'],
+
+        # Don't build StorageEventDispatcher.  We have our own implementation.
+        ['exclude', 'storage/StorageEventDispatcher\\.cpp$'],
+
+        # Don't build IDBFactoryBackendInterface.  We have our own implementation.
+        ['exclude', 'storage/IDBFactoryBackendInterface\\.cpp$'],
+
+        # Don't build IDBKeyPathBackendImpl.  We have our own implementation.
+        ['exclude', 'storage/IDBKeyPathBackendImpl\\.cpp$'],
+
+        # Use history/BackForwardListChromium.cpp instead.
+        ['exclude', 'history/BackForwardListImpl\\.cpp$'],
+
+        # Use loader/icon/IconDatabaseNone.cpp instead.
+        ['exclude', 'loader/icon/IconDatabase\\.cpp$'],
+
+        # Exclude some, but not all, of plugins.
+        ['exclude', 'plugins/PluginDatabase\\.cpp$'],
+        ['exclude', 'plugins/PluginMainThreadScheduler\\.cpp$'],
+        ['exclude', 'plugins/PluginPackage\\.cpp$'],
+        ['exclude', 'plugins/PluginStream\\.cpp$'],
+        ['exclude', 'plugins/PluginView\\.cpp$'],
+        ['exclude', 'plugins/npapi\\.cpp$'],
+
+        # FIXME: I don't know exactly why these are excluded.  It would
+        # be nice to provide more explicit comments.  Some of these do actually
+        # compile.
+        ['exclude', 'dom/StaticStringList\\.cpp$'],
+        ['exclude', 'loader/UserStyleSheetLoader\\.cpp$'],
+
+        # We use a multi-process version from the WebKit API.
+        ['exclude', 'dom/default/PlatformMessagePortChannel\\.(cpp|h)$'],
+      ],
+      'link_settings': {
+        'mac_bundle_resources': [
+          '../Resources/aliasCursor.png',
+          '../Resources/cellCursor.png',
+          '../Resources/contextMenuCursor.png',
+          '../Resources/copyCursor.png',
+          '../Resources/crossHairCursor.png',
+          '../Resources/eastResizeCursor.png',
+          '../Resources/eastWestResizeCursor.png',
+          '../Resources/helpCursor.png',
+          '../Resources/linkCursor.png',
+          '../Resources/missingImage.png',
+          '../Resources/moveCursor.png',
+          '../Resources/noDropCursor.png',
+          '../Resources/noneCursor.png',
+          '../Resources/northEastResizeCursor.png',
+          '../Resources/northEastSouthWestResizeCursor.png',
+          '../Resources/northResizeCursor.png',
+          '../Resources/northSouthResizeCursor.png',
+          '../Resources/northWestResizeCursor.png',
+          '../Resources/northWestSouthEastResizeCursor.png',
+          '../Resources/notAllowedCursor.png',
+          '../Resources/progressCursor.png',
+          '../Resources/southEastResizeCursor.png',
+          '../Resources/southResizeCursor.png',
+          '../Resources/southWestResizeCursor.png',
+          '../Resources/verticalTextCursor.png',
+          '../Resources/waitCursor.png',
+          '../Resources/westResizeCursor.png',
+          '../Resources/zoomInCursor.png',
+          '../Resources/zoomOutCursor.png',
+        ],
+      },
+      'conditions': [
+        ['OS=="win"', {
+          'sources/': [
+            ['exclude', 'Posix\\.cpp$'],
+            ['include', '/opentype/'],
+            ['include', '/ScrollAnimatorWin\\.cpp$'],
+            ['include', '/ScrollAnimatorWin\\.h$'],
+            ['include', '/SkiaFontWin\\.cpp$'],
+            ['include', '/TransparencyWin\\.cpp$'],
+          ],
+        }],
+        ['OS=="mac"', {
+          'sources/': [
+            # RenderThemeChromiumSkia is not used on mac since RenderThemeChromiumMac
+            # does not reference the Skia code that is used by Windows and Linux.
+            ['exclude', 'rendering/RenderThemeChromiumSkia\\.cpp$'],
+          ],
+        }],
+        ['(OS=="linux" or OS=="freebsd" or OS=="openbsd") and gcc_version==42', {
+          # Due to a bug in gcc 4.2.1 (the current version on hardy), we get
+          # warnings about uninitialized this.7.
+          'cflags': ['-Wno-uninitialized'],
+        }],
+        ['OS!="linux" and OS!="freebsd"', {
+          'sources/': [
+            ['exclude', '(Gtk|Linux)\\.cpp$'],
+          ],
+        }],
+        ['OS!="mac"', {
+          'sources/': [['exclude', 'Mac\\.(cpp|mm?)$']]
+        }],
+        ['OS!="win"', {
+          'sources/': [
+            ['exclude', 'Win\\.cpp$'],
+            ['exclude', '/(Windows|Uniscribe)[^/]*\\.cpp$']
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'webcore',
+      'type': 'none',
+      'dependencies': [
+        'webcore_html',
+        'webcore_platform',
+        'webcore_remaining',
+        # Exported.
+        'webcore_bindings',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:wtf',
+        '<(chromium_src_dir)/build/temp_gyp/googleurl.gyp:googleurl',
+        '<(chromium_src_dir)/skia/skia.gyp:skia',
+        '<(chromium_src_dir)/third_party/npapi/npapi.gyp:npapi',
+      ],
+      'export_dependent_settings': [
+        'webcore_bindings',
+        '../../JavaScriptCore/JavaScriptCore.gyp/JavaScriptCore.gyp:wtf',
+        '<(chromium_src_dir)/build/temp_gyp/googleurl.gyp:googleurl',
+        '<(chromium_src_dir)/skia/skia.gyp:skia',
+        '<(chromium_src_dir)/third_party/npapi/npapi.gyp:npapi',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<@(webcore_include_dirs)',
+        ],
+        'mac_framework_dirs': [
+          '$(SDKROOT)/System/Library/Frameworks/ApplicationServices.framework/Frameworks',
+          '$(SDKROOT)/System/Library/Frameworks/Accelerate.framework',
+          '$(SDKROOT)/System/Library/Frameworks/CoreServices.framework',
+          '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
+          '$(SDKROOT)/System/Library/Frameworks/CoreFoundation.framework',
+          '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
+          '$(SDKROOT)/System/Library/Frameworks/AudioUnit.framework',
+          '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
+        ],
+      },
+      'conditions': [
+        ['javascript_engine=="v8"', {
+          'dependencies': [
+            '<(chromium_src_dir)/v8/tools/gyp/v8.gyp:v8',
+          ],
+          'export_dependent_settings': [
+            '<(chromium_src_dir)/v8/tools/gyp/v8.gyp:v8',
+          ],
+        }],
+        ['OS=="mac"', {
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '../../../WebKitLibraries',
+              '../../../WebKit/mac/WebCoreSupport',
+            ],
+          },
+        }],
+        ['OS=="win"', {
+          'direct_dependent_settings': {
+            'include_dirs+++': ['../dom'],
+          },
+        }],
+        ['OS=="win" and "WTF_USE_WEBAUDIO_MKL=1" in feature_defines', {
+          # FIXME: (kbr) figure out how to make these dependencies
+          # work in a cross-platform way. Attempts to use
+          # "link_settings" and "libraries" in conjunction with the
+          # msvs-specific settings didn't work so far.
+          'all_dependent_settings': {
+            'msvs_settings': {
+              'VCLinkerTool': {
+                'AdditionalLibraryDirectories': [
+                  # This is a hack to make this directory correct
+                  # relative to targets like chrome_dll. Should use
+                  # <(chromium_src_dir).
+                  '../third_party/mkl/lib/win/ia32',
+                ],
+                'AdditionalDependencies': [
+                  'mkl_intel_c.lib',
+                  'mkl_sequential.lib',
+                  'mkl_core.lib',
+                ],
+              },
+            },
+          },
+        }],
+        ['enable_svg!=0', {
+          'dependencies': [
+            'webcore_svg',
+          ],
+        }],
+      ],
+    },
+  ],  # targets
+}
diff --git a/Source/WebCore/WebCore.gyp/mac/Empty.cpp b/Source/WebCore/WebCore.gyp/mac/Empty.cpp
new file mode 100644
index 0000000..d25a2b7
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/mac/Empty.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+// This is an empty file used to convince Xcode to link a library when it
+// wouldn't otherwise have any reason to do so.
diff --git a/Source/WebCore/WebCore.gyp/mac/adjust_visibility.sh b/Source/WebCore/WebCore.gyp/mac/adjust_visibility.sh
new file mode 100755
index 0000000..44a50b7
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/mac/adjust_visibility.sh
@@ -0,0 +1,108 @@
+#!/bin/sh
+
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+# usage: adjust_visibility.sh INPUT OUTPUT WORK_DIR
+#
+# Transforms a static library at INPUT by marking all of its symbols
+# private_extern.  The output is placed at OUTPUT.  WORK_DIR is used as a
+# scratch directory, which need not exist before this script is invoked,
+# and which will be left behind when the script exits.
+
+set -e
+
+if [ $# -ne 3 ] ; then
+  echo "usage: ${0} INPUT OUTPUT WORK_DIR" >& 2
+  exit 1
+fi
+
+INPUT="${1}"
+OUTPUT="${2}"
+WORK_DIR="${3}"
+
+# Start with a clean slate.
+rm -f "${OUTPUT}"
+rm -rf "${WORK_DIR}"
+mkdir -p "${WORK_DIR}"
+
+# ar doesn't operate on fat files.  Figure out what architectures are
+# involved.
+ARCHS=$(file "${INPUT}" | sed -Ene 's/^.*\(for architecture (.+)\):.*$/\1/p')
+if [ -z "${ARCHS}" ] ; then
+  ARCHS=self
+fi
+
+OUTPUT_NAME="output.a"
+
+for ARCH in ${ARCHS} ; do
+  # Get a thin version of fat input by running lipo.  If the input is already
+  # thin, just copy it into place.  The extra copy isn't strictly necessary
+  # but it simplifies the script.
+  ARCH_DIR="${WORK_DIR}/${ARCH}"
+  mkdir -p "${ARCH_DIR}"
+  INPUT_NAME=input.a
+  ARCH_INPUT="${ARCH_DIR}/${INPUT_NAME}"
+  if [ "${ARCHS}" = "self" ] ; then
+    cp "${INPUT}" "${ARCH_INPUT}"
+  else
+    lipo -thin "${ARCH}" "${INPUT}" -output "${ARCH_INPUT}"
+  fi
+
+  # Change directories to extract the archive to ensure correct pathnames.
+  (cd "${ARCH_DIR}" && ar -x "${INPUT_NAME}")
+
+  # Use ld -r to relink each object that was in the archive.  Providing an
+  # empty -exported_symbols_list will transform all symbols to private_extern;
+  # these symbols are retained with -keep_private_externs.
+  for OBJECT in "${ARCH_DIR}/"*.o ; do
+    NEW_OBJECT="${OBJECT}.new"
+    ld -o "${NEW_OBJECT}" -r "${OBJECT}" \
+        -exported_symbols_list /dev/null -keep_private_externs
+    mv "${NEW_OBJECT}" "${OBJECT}"
+  done
+
+  # Build an architecture-specific archive from the modified object files.
+  ARCH_OUTPUT="${ARCH_DIR}/${OUTPUT_NAME}"
+  (cd "${ARCH_DIR}" && ar -rc "${OUTPUT_NAME}" *.o)
+  ranlib "${ARCH_OUTPUT}"
+
+  # Toss the object files out now that they're in the archive.
+  rm -f "${ARCH_DIR}/"*.o
+done
+
+# Create a fat archive from the architecture-specific archives if needed.
+# If the input was thin, leave the output thin by copying the only output
+# archive to the destination.
+if [ "${ARCHS}" = "self" ] ; then
+  cp "${WORK_DIR}/self/${OUTPUT_NAME}" "${OUTPUT}"
+else
+  lipo -create -output "${OUTPUT}" "${WORK_DIR}/"*"/${OUTPUT_NAME}"
+fi
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_csspropertynames.py b/Source/WebCore/WebCore.gyp/scripts/action_csspropertynames.py
new file mode 100644
index 0000000..60314d7
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_csspropertynames.py
@@ -0,0 +1,166 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# action_csspropertynames.py is a harness script to connect actions sections of
+# gyp-based builds to makeprop.pl.
+#
+# usage: action_makenames.py OUTPUTS -- INPUTS
+#
+# Exactly two outputs must be specified: a path to each of CSSPropertyNames.cpp
+# and CSSPropertyNames.h.
+#
+# Multiple inputs may be specified. One input must have a basename of
+# makeprop.pl; this is taken as the path to makeprop.pl. All other inputs are
+# paths to .in files that are used as input to makeprop.pl; at least one,
+# CSSPropertyNames.in, is required.
+
+
+import os
+import posixpath
+import shutil
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    (outputs, inputs) = SplitArgsIntoSections(args[1:])
+
+    # Make all output pathnames absolute so that they can be accessed after
+    # changing directory.
+    for index in xrange(0, len(outputs)):
+        outputs[index] = os.path.abspath(outputs[index])
+
+    outputDir = os.path.dirname(outputs[0])
+
+    # Look at the inputs and figure out which one is makeprop.pl and which are
+    # inputs to that script.
+    makepropInput = None
+    inFiles = []
+    for input in inputs:
+        # Make input pathnames absolute so they can be accessed after changing
+        # directory. On Windows, convert \ to / for inputs to the perl script to
+        # work around the intermix of activepython + cygwin perl.
+        inputAbs = os.path.abspath(input)
+        inputAbsPosix = inputAbs.replace(os.path.sep, posixpath.sep)
+        inputBasename = os.path.basename(input)
+        if inputBasename == 'makeprop.pl':
+            assert makepropInput == None
+            makepropInput = inputAbs
+        elif inputBasename.endswith('.in'):
+            inFiles.append(inputAbsPosix)
+        else:
+            assert False
+
+    assert makepropInput != None
+    assert len(inFiles) >= 1
+
+    # Change to the output directory because makeprop.pl puts output in its
+    # working directory.
+    os.chdir(outputDir)
+
+    # Merge all inFiles into a single file whose name will be the same as the
+    # first listed inFile, but in the output directory.
+    mergedPath = os.path.basename(inFiles[0])
+    merged = open(mergedPath, 'wb')    # 'wb' to get \n only on windows
+
+    # Make sure there aren't any duplicate lines in the in files.
+    lineDict = {}
+    for inFilePath in inFiles:
+        inFile = open(inFilePath)
+        for line in inFile:
+            line = line.rstrip()
+            if line.startswith('#'):
+                line = ''
+            if line == '':
+                continue
+            if line in lineDict:
+                raise KeyError, 'Duplicate value %s' % line
+            lineDict[line] = True
+            print >>merged, line
+        inFile.close()
+
+    merged.close()
+
+    # Build up the command.
+    command = ['perl', makepropInput]
+
+    # Do it. checkCall is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    # Don't leave behind the merged file or the .gperf file created by
+    # makeprop.
+    (root, ext) = os.path.splitext(mergedPath)
+    gperfPath = root + '.gperf'
+    os.unlink(gperfPath)
+    os.unlink(mergedPath)
+
+    # Go through the outputs. Any output that belongs in a different directory
+    # is moved. Do a copy and delete instead of rename for maximum portability.
+    # Note that all paths used in this section are still absolute.
+    for output in outputs:
+        thisOutputDir = os.path.dirname(output)
+        if thisOutputDir != outputDir:
+            outputBasename = os.path.basename(output)
+            src = os.path.join(outputDir, outputBasename)
+            dst = os.path.join(thisOutputDir, outputBasename)
+            shutil.copyfile(src, dst)
+            os.unlink(src)
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_cssvaluekeywords.py b/Source/WebCore/WebCore.gyp/scripts/action_cssvaluekeywords.py
new file mode 100644
index 0000000..ebf895b
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_cssvaluekeywords.py
@@ -0,0 +1,172 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# action_cssvaluekeywords.py is a harness script to connect actions sections of
+# gyp-based builds to makevalues.pl.
+#
+# usage: action_cssvaluekeywords.py OUTPUTS -- INPUTS
+#
+# Exactly two outputs must be specified: a path to each of CSSValueKeywords.c
+# and CSSValueKeywords.h.
+#
+# Multiple inputs may be specified. One input must have a basename of
+# makevalues.pl; this is taken as the path to makevalues.pl. All other inputs
+# are paths to .in files that are used as input to makevalues.pl; at least
+# one, CSSValueKeywords.in, is required.
+
+
+import os
+import posixpath
+import shutil
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    (outputs, inputs) = SplitArgsIntoSections(args[1:])
+
+    # Make all output pathnames absolute so that they can be accessed after
+    # changing directory.
+    for index in xrange(0, len(outputs)):
+        outputs[index] = os.path.abspath(outputs[index])
+
+    outputDir = os.path.dirname(outputs[0])
+
+    # Look at the inputs and figure out which one is makevalues.pl and which are
+    # inputs to that script.
+    makevaluesInput = None
+    inFiles = []
+    for input in inputs:
+        # Make input pathnames absolute so they can be accessed after changing
+        # directory. On Windows, convert \ to / for inputs to the perl script to
+        # work around the intermix of activepython + cygwin perl.
+        inputAbs = os.path.abspath(input)
+        inputAbsPosix = inputAbs.replace(os.path.sep, posixpath.sep)
+        inputBasename = os.path.basename(input)
+        if inputBasename == 'makevalues.pl':
+            assert makevaluesInput == None
+            makevaluesInput = inputAbs
+        elif inputBasename.endswith('.in'):
+            inFiles.append(inputAbsPosix)
+        else:
+            assert False
+
+    assert makevaluesInput != None
+    assert len(inFiles) >= 1
+
+    # Change to the output directory because makevalues.pl puts output in its
+    # working directory.
+    os.chdir(outputDir)
+
+    # Merge all inFiles into a single file whose name will be the same as the
+    # first listed inFile, but in the output directory.
+    mergedPath = os.path.basename(inFiles[0])
+    merged = open(mergedPath, 'wb')    # 'wb' to get \n only on windows
+
+    # Make sure there aren't any duplicate lines in the in files. Lowercase
+    # everything because CSS values are case-insensitive.
+    lineDict = {}
+    for inFilePath in inFiles:
+        inFile = open(inFilePath)
+        for line in inFile:
+            line = line.rstrip()
+            if line.startswith('#'):
+                line = ''
+            if line == '':
+                continue
+            line = line.lower()
+            if line in lineDict:
+                raise KeyError, 'Duplicate value %s' % line
+            lineDict[line] = True
+            print >>merged, line
+        inFile.close()
+
+    merged.close()
+
+    # Build up the command.
+    command = ['perl', makevaluesInput]
+
+    # Do it. checkCall is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    # Don't leave behind the merged file or the .gperf file created by
+    # makevalues.
+    (root, ext) = os.path.splitext(mergedPath)
+    gperfPath = root + '.gperf'
+    os.unlink(gperfPath)
+    os.unlink(mergedPath)
+
+    # Go through the outputs. Any output that belongs in a different directory
+    # is moved. Do a copy and delete instead of rename for maximum portability.
+    # Note that all paths used in this section are still absolute.
+    for output in outputs:
+        thisOutputDir = os.path.dirname(output)
+        if thisOutputDir != outputDir:
+            outputBasename = os.path.basename(output)
+            src = os.path.join(outputDir, outputBasename)
+            dst = os.path.join(thisOutputDir, outputBasename)
+            shutil.copyfile(src, dst)
+            os.unlink(src)
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_derivedsourcesallinone.py b/Source/WebCore/WebCore.gyp/scripts/action_derivedsourcesallinone.py
new file mode 100644
index 0000000..c9c5bf5
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_derivedsourcesallinone.py
@@ -0,0 +1,203 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# action_derivedsourceslist.py generates a single cpp file that includes
+# all v8 bindings cpp files generated from idls. Files can be assigned into
+# multiple output files, to reduce maximum compilation unit size and allow
+# parallel compilation.
+#
+# usage: action_derivedsourceslist.py IDL_FILES_LIST -- OUTPUT_FILE1 OUTPUT_FILE2 ...
+#
+# Note that IDL_FILES_LIST is a text file containing the IDL file paths.
+
+import errno
+import os
+import os.path
+import re
+import subprocess
+import sys
+
+# A regexp for finding Conditional attributes in interface definitions.
+conditionalPattern = re.compile('interface[\s]*\[[^\]]*Conditional=([\_0-9a-zA-Z&|]*)')
+
+copyrightTemplate = """/*
+ * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
+ *
+ * This file was generated by the make_jni_lists.py script.
+ *
+ * Copyright (C) 2009 Google Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+"""
+
+
+# Wraps conditional with ENABLE() and replace '&','|' with '&&','||' if more than one conditional is specified.
+def formatConditional(conditional):
+    def wrapWithEnable(s):
+        if re.match('[|&]$', s):
+            return s * 2
+        return 'ENABLE(' + s + ')'
+    return ' '.join(map(wrapWithEnable, conditional))
+
+
+# Find the conditional interface attribute.
+def extractConditional(idlFilePath):
+    conditional = None
+
+    # Read file and look for "interface [ Conditional=XXX ]".
+    idlFile = open(idlFilePath)
+    idlContents = idlFile.read().replace('\n', '')
+    idlFile.close()
+
+    match = conditionalPattern.search(idlContents)
+    if match:
+        conditional = match.group(1)
+        conditional = re.split('([|&])', conditional)
+
+    return conditional
+
+# Extracts conditional and interface name from each IDL file.
+def extractMetaData(filePaths):
+    metaDataList = []
+
+    for f in filePaths:
+        metaData = {}
+        if len(f) == 0:
+            continue
+        if not os.path.exists(f):
+            print 'WARNING: file not found: "%s"' % f
+            continue
+
+        # Extract type name from file name
+        (parentPath, fileName) = os.path.split(f)
+        (interfaceName, ext) = os.path.splitext(fileName)
+
+        if not ext == '.idl':
+            continue
+
+        metaData = {
+            'conditional': extractConditional(f),
+            'name': interfaceName,
+        }
+
+        metaDataList.append(metaData)
+
+    return metaDataList
+
+
+def generateContent(filesMetaData, partition, totalPartitions):
+    # Sort files by conditionals.
+    filesMetaData.sort()
+
+    output = []
+
+    # Add fixed content.
+    output.append(copyrightTemplate)
+    output.append('#define NO_IMPLICIT_ATOMICSTRING\n\n')
+
+    # List all includes segmented by if and endif.
+    prevConditional = None
+    for metaData in filesMetaData:
+        name = metaData['name']
+        if (hash(name) % totalPartitions) != partition:
+            continue
+        conditional = metaData['conditional']
+
+        if prevConditional and prevConditional != conditional:
+            output.append('#endif\n')
+        if conditional and prevConditional != conditional:
+            output.append('\n#if %s\n' % formatConditional(conditional))
+
+        output.append('#include "bindings/V8%s.cpp"\n' % name)
+
+        prevConditional = conditional
+
+    if prevConditional:
+        output.append('#endif\n')
+
+    return ''.join(output)
+
+
+def writeContent(content, outputFileName):
+    (parentPath, fileName) = os.path.split(outputFileName)
+    if not os.path.exists(parentPath):
+        print parentPath
+        os.mkdir(parentPath)
+    f = open(outputFileName, 'w')
+    f.write(content)
+    f.close()
+
+
+def main(args):
+    assert(len(args) > 3)
+    inOutBreakIndex = args.index('--')
+    inputFileName = args[1]
+    outputFileNames = args[inOutBreakIndex+1:]
+
+    inputFile = open(inputFileName, 'r')
+    idlFileNames = inputFile.read().split('\n')
+    inputFile.close()
+
+    filesMetaData = extractMetaData(idlFileNames)
+    for fileName in outputFileNames:
+        print 'Generating derived sources list into %s...' % fileName
+        partition = outputFileNames.index(fileName)
+        fileContents = generateContent(filesMetaData, partition, len(outputFileNames))
+        writeContent(fileContents, fileName)
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_makenames.py b/Source/WebCore/WebCore.gyp/scripts/action_makenames.py
new file mode 100644
index 0000000..ecf543f
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_makenames.py
@@ -0,0 +1,174 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# action_makenames.py is a harness script to connect actions sections of
+# gyp-based builds to make_names.pl.
+#
+# usage: action_makenames.py OUTPUTS -- INPUTS [-- OPTIONS]
+#
+# Multiple OUTPUTS, INPUTS, and OPTIONS may be listed. The sections are
+# separated by -- arguments.
+#
+# The directory name of the first output is chosen as the directory in which
+# make_names will run. If the directory name for any subsequent output is
+# different, those files will be moved to the desired directory.
+#
+# Multiple INPUTS may be listed. An input with a basename matching
+# "make_names.pl" is taken as the path to that script. Inputs with names
+# ending in TagNames.in or tags.in are taken as tag inputs. Inputs with names
+# ending in AttributeNames.in or attrs.in are taken as attribute inputs. There
+# may be at most one tag input and one attribute input. A make_names.pl input
+# is required and at least one tag or attribute input must be present.
+#
+# OPTIONS is a list of additional options to pass to make_names.pl. This
+# section need not be present.
+
+
+import os
+import posixpath
+import shutil
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 2 or len(sections) == 3
+    (outputs, inputs) = sections[:2]
+    if len(sections) == 3:
+        options = sections[2]
+    else:
+        options = []
+
+    # Make all output pathnames absolute so that they can be accessed after
+    # changing directory.
+    for index in xrange(0, len(outputs)):
+        outputs[index] = os.path.abspath(outputs[index])
+
+    outputDir = os.path.dirname(outputs[0])
+
+    # Look at the inputs and figure out which ones are make_names.pl, tags, and
+    # attributes. There can be at most one of each, and those are the only
+    # input types supported. make_names.pl is required and at least one of tags
+    # and attributes is required.
+    makeNamesInput = None
+    tagInput = None
+    attrInput = None
+    for input in inputs:
+        # Make input pathnames absolute so they can be accessed after changing
+        # directory. On Windows, convert \ to / for inputs to the perl script to
+        # work around the intermix of activepython + cygwin perl.
+        inputAbs = os.path.abspath(input)
+        inputAbsPosix = inputAbs.replace(os.path.sep, posixpath.sep)
+        inputBasename = os.path.basename(input)
+        if inputBasename == 'make_names.pl':
+            assert makeNamesInput == None
+            makeNamesInput = inputAbs
+        elif inputBasename.endswith('TagNames.in') \
+             or inputBasename.endswith('tags.in'):
+            assert tagInput == None
+            tagInput = inputAbsPosix
+        elif inputBasename.endswith('AttributeNames.in') \
+             or inputBasename.endswith('attrs.in'):
+            assert attrInput == None
+            attrInput = inputAbsPosix
+        else:
+            assert False
+
+    assert makeNamesInput != None
+    assert tagInput != None or attrInput != None
+
+    # scriptsPath is a Perl include directory, located relative to
+    # makeNamesInput.
+    scriptsPath = os.path.normpath(
+        os.path.join(os.path.dirname(makeNamesInput), os.pardir, 'bindings', 'scripts'))
+
+    # Change to the output directory because make_names.pl puts output in its
+    # working directory.
+    os.chdir(outputDir)
+
+    # Build up the command.
+    command = ['perl', '-I', scriptsPath, makeNamesInput]
+    if tagInput != None:
+        command.extend(['--tags', tagInput])
+    if attrInput != None:
+        command.extend(['--attrs', attrInput])
+    command.extend(options)
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    # Go through the outputs. Any output that belongs in a different directory
+    # is moved. Do a copy and delete instead of rename for maximum portability.
+    # Note that all paths used in this section are still absolute.
+    for output in outputs:
+        thisOutputDir = os.path.dirname(output)
+        if thisOutputDir != outputDir:
+            outputBasename = os.path.basename(output)
+            src = os.path.join(outputDir, outputBasename)
+            dst = os.path.join(thisOutputDir, outputBasename)
+            shutil.copyfile(src, dst)
+            os.unlink(src)
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_maketokenizer.py b/Source/WebCore/WebCore.gyp/scripts/action_maketokenizer.py
new file mode 100644
index 0000000..f4a28ee
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_maketokenizer.py
@@ -0,0 +1,101 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# usage: action_maketokenizer.py OUTPUTS -- INPUTS
+#
+# Multiple INPUTS may be listed. The sections are separated by -- arguments.
+#
+# OUTPUTS must contain a single item: a path to tokenizer.cpp.
+#
+# INPUTS must contain exactly two items. The first item must be the path to
+# maketokenizer. The second item must be the path to tokenizer.flex.
+
+
+import os
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 2
+    (outputs, inputs) = sections
+
+    assert len(outputs) == 1
+    output = outputs[0]
+
+    assert len(inputs) == 2
+    maketokenizer = inputs[0]
+    flexInput = inputs[1]
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    outfile = open(output, 'wb')
+    p1 = subprocess.Popen(['flex', '-t', flexInput], stdout=subprocess.PIPE)
+    p2 = subprocess.Popen(['perl', maketokenizer], stdin=p1.stdout, stdout=outfile)
+
+    r1 = p1.wait()
+    r2 = p2.wait()
+    assert r1 == 0
+    assert r2 == 0
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/action_useragentstylesheets.py b/Source/WebCore/WebCore.gyp/scripts/action_useragentstylesheets.py
new file mode 100644
index 0000000..6f017fc
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/action_useragentstylesheets.py
@@ -0,0 +1,102 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# usage: action_useragentstylesheets.py OUTPUTS -- INPUTS
+#
+# Multiple OUTPUTS and INPUTS may be listed. The sections are separated by
+# -- arguments.
+#
+# OUTPUTS must contain two items, in order: a path to UserAgentStyleSheets.h
+# and a path to UserAgentStyleSheetsData.cpp.
+#
+# INPUTS must contain at least two items. The first item must be the path to
+# make-css-file-arrays.pl. The remaining items are paths to style sheets to
+# be fed to that script.
+
+
+import os
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 2
+    (outputs, inputs) = sections
+
+    assert len(outputs) == 2
+    outputH = outputs[0]
+    outputCpp = outputs[1]
+
+    makeCssFileArrays = inputs[0]
+    styleSheets = inputs[1:]
+
+    # Build up the command.
+    command = ['perl', makeCssFileArrays, outputH, outputCpp]
+    command.extend(styleSheets)
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/rule_binding.py b/Source/WebCore/WebCore.gyp/scripts/rule_binding.py
new file mode 100644
index 0000000..5a41808
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/rule_binding.py
@@ -0,0 +1,136 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# usage: rule_binding.py INPUT CPPDIR HDIR -- INPUTS -- OPTIONS
+#
+# INPUT is an IDL file, such as Whatever.idl.
+#
+# CPPDIR is the directory into which V8Whatever.cpp will be placed. HDIR is
+# the directory into which V8Whatever.h will be placed.
+#
+# The first item in INPUTS is the path to generate-bindings.pl. Remaining
+# items in INPUTS are used to build the Perl module include path.
+#
+# OPTIONS are passed as-is to generate-bindings.pl as additional arguments.
+
+
+import errno
+import os
+import shlex
+import shutil
+import subprocess
+import sys
+
+
+def SplitArgsIntoSections(args):
+    sections = []
+    while len(args) > 0:
+        if not '--' in args:
+            # If there is no '--' left, everything remaining is an entire section.
+            dashes = len(args)
+        else:
+            dashes = args.index('--')
+
+        sections.append(args[:dashes])
+
+        # Next time through the loop, look at everything after this '--'.
+        if dashes + 1 == len(args):
+            # If the '--' is at the end of the list, we won't come back through the
+            # loop again. Add an empty section now corresponding to the nothingness
+            # following the final '--'.
+            args = []
+            sections.append(args)
+        else:
+            args = args[dashes + 1:]
+
+    return sections
+
+
+def main(args):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 3, sections
+    (base, inputs, options) = sections
+
+    assert len(base) == 3, base
+    (input, cppdir, hdir) = base
+
+    assert len(inputs) > 1, inputs
+    generateBindings = inputs[0]
+    perlModules = inputs[1:]
+
+    includeDirs = []
+    for perlModule in perlModules:
+        includeDir = os.path.dirname(perlModule)
+        if not includeDir in includeDirs:
+            includeDirs.append(includeDir)
+
+    if '--prefix' in options:
+        prefixIndex = options.index('--prefix')
+    else:
+        prefixIndex = options.index('--generator')
+
+    fileName = ''
+    if '--filename' in options:
+        fileName = options[options.index('--filename') + 1]
+
+    if prefixIndex + 1 < len(options):
+        prefix = options[prefixIndex + 1]
+
+    # The defines come in as one flat string. Split it up into distinct arguments.
+    if '--defines' in options:
+        definesIndex = options.index('--defines')
+        if definesIndex + 1 < len(options):
+            splitOptions = shlex.split(options[definesIndex + 1])
+            if splitOptions:
+                options[definesIndex + 1] = ' '.join(splitOptions)
+
+    # Build up the command.
+    command = ['perl', '-w']
+    for includeDir in includeDirs:
+        command.extend(['-I', includeDir])
+    command.append(generateBindings)
+    command.extend(options)
+    command.extend(['--outputHeadersDir', hdir])
+    command.extend(['--outputDir', cppdir, input])
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))
diff --git a/Source/WebCore/WebCore.gyp/scripts/rule_bison.py b/Source/WebCore/WebCore.gyp/scripts/rule_bison.py
new file mode 100644
index 0000000..eb85a4b
--- /dev/null
+++ b/Source/WebCore/WebCore.gyp/scripts/rule_bison.py
@@ -0,0 +1,102 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2009 Google Inc. All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# usage: rule_bison.py INPUT_FILE OUTPUT_DIR
+# INPUT_FILE is a path to either CSSGrammar.y or XPathGrammar.y.
+# OUTPUT_DIR is where the bison-generated .cpp and .h files should be placed.
+
+import errno
+import os
+import os.path
+import subprocess
+import sys
+
+assert len(sys.argv) == 3
+
+inputFile = sys.argv[1]
+outputDir = sys.argv[2]
+
+inputName = os.path.basename(inputFile)
+assert inputName == 'CSSGrammar.y' or inputName == 'XPathGrammar.y'
+prefix = {'CSSGrammar.y': 'cssyy', 'XPathGrammar.y': 'xpathyy'}[inputName]
+
+(inputRoot, inputExt) = os.path.splitext(inputName)
+
+# The generated .h will be in a different location depending on the bison
+# version.
+outputHTries = [
+    os.path.join(outputDir, inputRoot + '.cpp.h'),
+    os.path.join(outputDir, inputRoot + '.hpp'),
+]
+
+for outputHTry in outputHTries:
+    try:
+        os.unlink(outputHTry)
+    except OSError, e:
+        if e.errno != errno.ENOENT:
+            raise
+
+outputCpp = os.path.join(outputDir, inputRoot + '.cpp')
+
+returnCode = subprocess.call(['bison', '-d', '-p', prefix, inputFile, '-o', outputCpp])
+assert returnCode == 0
+
+# Find the name that bison used for the generated header file.
+outputHTmp = None
+for outputHTry in outputHTries:
+    try:
+        os.stat(outputHTry)
+        outputHTmp = outputHTry
+        break
+    except OSError, e:
+        if e.errno != errno.ENOENT:
+            raise
+
+assert outputHTmp != None
+
+# Read the header file in under the generated name and remove it.
+outputHFile = open(outputHTmp)
+outputHContents = outputHFile.read()
+outputHFile.close()
+os.unlink(outputHTmp)
+
+# Rewrite the generated header with #include guards.
+outputH = os.path.join(outputDir, inputRoot + '.h')
+
+outputHFile = open(outputH, 'w')
+print >>outputHFile, '#ifndef %sH' % inputRoot
+print >>outputHFile, '#define %sH' % inputRoot
+print >>outputHFile, outputHContents
+print >>outputHFile, '#endif'
+outputHFile.close()