blink: Cleanup class forward declarations

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. 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
@@ skipping 39 matching lines @@
 #include "public/platform/WebLayerScrollClient.h"
 #include "public/platform/WebLayerStickyPositionConstraint.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "wtf/Vector.h"
 #include <memory>
 
 namespace blink {
 
 class CompositorFilterOperations;
-class FloatRect;
 class Image;
 class JSONObject;
 class LinkHighlight;
 class PaintController;
 struct RasterInvalidationTracking;
 class ScrollableArea;
 class WebLayer;
 
 typedef Vector<GraphicsLayer*, 64> GraphicsLayerVector;
 
@@ skipping 338 matching lines @@
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif  // GraphicsLayer_h