Merge webkit.org at r54127 : Initial merge by git

Change-Id: Ib661abb595522f50ea406f72d3a0ce17f7193c82

1 files changed, 0 insertions, 122 deletions

diff --git a/WebCore/bindings/v8/V8IsolatedWorld.h b/WebCore/bindings/v8/V8IsolatedWorld.h
deleted file mode 100644
index 6313da8..0000000
--- a/WebCore/bindings/v8/V8IsolatedWorld.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef V8IsolatedWorld_h
-#define V8IsolatedWorld_h
-
-#include <v8.h>
-
-#include "V8DOMMap.h"
-#include "V8Index.h"
-#include "V8Proxy.h"
-#include "V8Utilities.h"
-#include "ScriptSourceCode.h"  // for WebCore::ScriptSourceCode
-
-namespace WebCore {
-
-    class V8Proxy;
-
-    // V8IsolatedWorld
-    //
-    // V8IsolatedWorld represents a isolated execution environment for
-    // JavaScript.  Each isolated world executes in parallel with the main
-    // JavaScript world.  An isolated world has access to the same DOM data
-    // structures as the main world but none of the JavaScript pointers.
-    //
-    // It is an error to ever share a JavaScript pointer between two isolated
-    // worlds or between an isolated world and the main world.  Because
-    // isolated worlds have access to the DOM, they need their own DOM wrappers
-    // to avoid having pointers to the main world's DOM wrappers (which are
-    // JavaScript objects).
-    //
-    class V8IsolatedWorld {
-    public:
-        // Creates an isolated world. To destroy it, call destroy().
-        // This will delete the isolated world when the context it owns is GC'd.
-        V8IsolatedWorld(V8Proxy* proxy, int extensionGroup);
-        ~V8IsolatedWorld();
-
-        // Call this to destroy the isolated world. It will be deleted sometime
-        // after this call, once all script references to the world's context
-        // have been dropped.
-        void destroy();
-
-        // Returns the isolated world associated with
-        // v8::Context::GetEntered().  Because worlds are isolated, the entire
-        // JavaScript call stack should be from the same isolated world.
-        // Returns NULL if the entered context is from the main world.
-        //
-        // FIXME: Consider edge cases with DOM mutation events that might
-        // violate this invariant.
-        //
-        static V8IsolatedWorld* getEntered()
-        {
-            // This is a temporary performance optimization.   Essentially,
-            // GetHiddenValue is too slow for this code path.  We need to get the
-            // V8 team to add a real property to v8::Context for isolated worlds.
-            // Until then, we optimize the common case of not having any isolated
-            // worlds at all.
-            if (!isolatedWorldCount)
-                return 0;
-            if (!v8::Context::InContext())
-                return 0;
-            return reinterpret_cast<V8IsolatedWorld*>(getGlobalObject(v8::Context::GetEntered())->GetPointerFromInternalField(V8Custom::kDOMWindowEnteredIsolatedWorldIndex));
-        }
-
-        v8::Handle<v8::Context> context() { return m_context->get(); }
-        PassRefPtr<SharedPersistent<v8::Context> > sharedContext() { return m_context; }
-
-        DOMDataStore* getDOMDataStore() const { return m_domDataStore.getStore(); }
-
-    private:
-        static v8::Handle<v8::Object> getGlobalObject(v8::Handle<v8::Context> context)
-        {
-            return v8::Handle<v8::Object>::Cast(context->Global()->GetPrototype());
-        }
-
-        // Called by the garbage collector when our JavaScript context is about
-        // to be destroyed.
-        static void contextWeakReferenceCallback(v8::Persistent<v8::Value> object, void* isolated_world);
-
-        // The v8::Context for the isolated world.  This object is keep on the
-        // heap as long as |m_context| has not been garbage collected.
-        RefPtr<SharedPersistent<v8::Context> > m_context;
-
-        // The backing store for the isolated world's DOM wrappers.  This class
-        // doesn't have visibility into the wrappers.  This handle simply helps
-        // manage their lifetime.
-        DOMDataStoreHandle m_domDataStore;
-
-        static int isolatedWorldCount;
-    };
-
-} // namespace WebCore
-
-#endif // V8IsolatedWorld_h