Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/LazyDecodingPixelRef.h

Index: Source/core/platform/graphics/LazyDecodingPixelRef.h
diff --git a/Source/core/platform/graphics/LazyDecodingPixelRef.h b/Source/core/platform/graphics/LazyDecodingPixelRef.h
deleted file mode 100644
index 7c9cbdd3c0ec66cc76d495981ecb89d1043dc233..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/LazyDecodingPixelRef.h
+++ /dev/null
@@ -1,82 +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 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 LazyDecodingPixelRef_h
-#define LazyDecodingPixelRef_h
-
-#include "SkFlattenableBuffers.h"
-#include "SkPixelRef.h"
-#include "SkRect.h"
-#include "SkSize.h"
-#include "SkTypes.h"
-#include "platform/PlatformInstrumentation.h"
-#include "skia/ext/lazy_pixel_ref.h"
-
-#include "wtf/RefPtr.h"
-
-using skia::LazyPixelRef;
-
-class SkData;
-
-namespace WebCore {
-
-class ImageFrameGenerator;
-class ScaledImageFragment;
-
-class LazyDecodingPixelRef : public LazyPixelRef {
-public:
-    LazyDecodingPixelRef(PassRefPtr<ImageFrameGenerator>, size_t index);
-    virtual ~LazyDecodingPixelRef();
-
-    SK_DECLARE_UNFLATTENABLE_OBJECT()
-
-    PassRefPtr<ImageFrameGenerator> frameGenerator() const { return m_frameGenerator; }
-    size_t frameIndex() const { return m_frameIndex; }
-
-    // Returns true if the image might already be decoded in the cache.
-    // Optimistic version of PrepareToDecode; requires less locking.
-    virtual bool MaybeDecoded();
-    virtual bool PrepareToDecode(const LazyPixelRef::PrepareParams&);
-    virtual void Decode();
-
-protected:
-    // SkPixelRef implementation.
-    virtual void* onLockPixels(SkColorTable**);
-    virtual void onUnlockPixels();
-    virtual bool onLockPixelsAreWritable() const;
-
-    virtual SkData* onRefEncodedData() SK_OVERRIDE;
-
-private:
-    RefPtr<ImageFrameGenerator> m_frameGenerator;
-    size_t m_frameIndex;
-
-    const ScaledImageFragment* m_lockedImageResource;
-    PlatformInstrumentation::LazyPixelRefTracker m_objectTracker;
-};
-
-} // namespace WebCore
-
-#endif // LazyDecodingPixelRef_h_