Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/DeferredImageDecoder.h

Index: Source/core/platform/graphics/DeferredImageDecoder.h
diff --git a/Source/core/platform/graphics/DeferredImageDecoder.h b/Source/core/platform/graphics/DeferredImageDecoder.h
deleted file mode 100644
index 4f5f549980fb0f5323781c462a81025992cc12cc..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/DeferredImageDecoder.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-#ifndef DeferredImageDecoder_h
-#define DeferredImageDecoder_h
-
-#include "SkBitmap.h"
-#include "core/platform/graphics/ImageSource.h"
-#include "core/platform/image-decoders/ImageDecoder.h"
-#include "platform/geometry/IntSize.h"
-#include "wtf/Forward.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-class ImageFrameGenerator;
-class SharedBuffer;
-
-class DeferredImageDecoder {
-public:
-    ~DeferredImageDecoder();
-    static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption);
-
-    static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDecoder>);
-
-    static bool isLazyDecoded(const SkBitmap&);
-
-    static void setEnabled(bool);
-
-    String filenameExtension() const;
-
-    ImageFrame* frameBufferAtIndex(size_t index);
-
-    void setData(SharedBuffer* data, bool allDataReceived);
-
-    bool isSizeAvailable();
-    IntSize size() const;
-    IntSize frameSizeAtIndex(size_t index) const;
-    size_t frameCount();
-    int repetitionCount() const;
-    size_t clearCacheExceptFrame(size_t);
-    bool frameHasAlphaAtIndex(size_t index) const;
-    bool frameIsCompleteAtIndex(size_t) const;
-    float frameDurationAtIndex(size_t) const;
-    unsigned frameBytesAtIndex(size_t index) const;
-    ImageOrientation orientation() const;
-    bool hotSpot(IntPoint&) const;
-
-    // For testing.
-    ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); }
-
-private:
-    explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder);
-    void prepareLazyDecodedFrames();
-    SkBitmap createLazyDecodingBitmap(size_t index);
-    void activateLazyDecoding();
-    void setData(PassRefPtr<SharedBuffer>, bool allDataReceived);
-
-    RefPtr<SharedBuffer> m_data;
-    bool m_allDataReceived;
-    OwnPtr<ImageDecoder> m_actualDecoder;
-
-    String m_filenameExtension;
-    IntSize m_size;
-    ImageOrientation m_orientation;
-    int m_repetitionCount;
-
-    Vector<OwnPtr<ImageFrame> > m_lazyDecodedFrames;
-    RefPtr<ImageFrameGenerator> m_frameGenerator;
-
-    static bool s_enabled;
-};
-
-} // namespace WebCore
-
-#endif