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diff --git a/Tools/DumpRenderTree/cg/PixelDumpSupportCG.h b/Tools/DumpRenderTree/cg/PixelDumpSupportCG.h
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+++ b/Tools/DumpRenderTree/cg/PixelDumpSupportCG.h
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+/*
+ * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
+ *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
+ *           (C) 2007 Eric Seidel <eric@webkit.org>
+ *
+ * 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 PixelDumpSupportCG_h
+#define PixelDumpSupportCG_h
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RetainPtr.h>
+
+#if PLATFORM(WIN)
+#include <windows.h>
+#endif
+
+typedef struct CGContext* CGContextRef;
+
+#if PLATFORM(MAC)
+typedef void* PlatformBitmapBuffer;
+#elif PLATFORM(WIN)
+typedef HBITMAP PlatformBitmapBuffer;
+#endif
+
+class BitmapContext : public RefCounted<BitmapContext> {
+public:
+    static PassRefPtr<BitmapContext> createByAdoptingBitmapAndContext(PlatformBitmapBuffer buffer, CGContextRef context)
+    {
+        return adoptRef(new BitmapContext(buffer, context));
+    }
+
+    ~BitmapContext()
+    {
+        if (m_buffer)
+#if PLATFORM(MAC)
+            free(m_buffer);
+#elif PLATFORM(WIN)
+            DeleteObject(m_buffer);
+#endif
+    }
+
+    CGContextRef cgContext() const { return m_context.get(); }
+
+private:
+
+    BitmapContext(PlatformBitmapBuffer buffer, CGContextRef context)
+        : m_buffer(buffer)
+        , m_context(AdoptCF, context)
+    {
+    }
+
+    PlatformBitmapBuffer m_buffer;
+    RetainPtr<CGContextRef> m_context;
+
+};
+
+PassRefPtr<BitmapContext> createBitmapContextFromWebView(bool onscreen, bool incrementalRepaint, bool sweepHorizontally, bool drawSelectionRect);
+
+#endif // PixelDumpSupportCG_h