Refactoring ImageBuffer to decouple it from Canvas2DLayerBridge

Source/core/platform/animation/AnimationTranslationUtil.h

 /*
  * Copyright (C) 2010 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
@@ skipping 20 matching lines @@
 #ifndef AnimationTranslationUtil_h
 #define AnimationTranslationUtil_h
 
 #include "platform/graphics/filters/FilterOperations.h"
 #include "platform/transforms/TransformOperations.h"
 #include "public/platform/WebTransformOperations.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 class WebAnimation;
+class WebFilterOperations;
 }
 
 namespace WebCore {
 
 class KeyframeValueList;
 class CSSAnimationData;
 class FloatSize;
 
 
 // Translates WebCore animation data into a WebAnimation. If we are unable
 // to perform this translation, we return nullptr. This can happen if
 //   - a steps timing function is used,
 //   - a property other than AnimatedPropertyWebkitTransform, or AnimatedPropertyOpacity is animated, or
 //   - a transform animation involves a non-invertable transform.
 PassOwnPtr<blink::WebAnimation> createWebAnimation(const KeyframeValueList&, const CSSAnimationData*, int animationId, double timeOffset, const FloatSize& boxSize);
 
 void toWebTransformOperations(const TransformOperations& inOperations, const FloatSize& boxSize, blink::WebTransformOperations* outOperations);
 
 bool toWebFilterOperations(const FilterOperations& inOperations, blink::WebFilterOperations* outOperations);
 } // namespace WebCore
 
 #endif // AnimationTranslationUtil_h