Implement SkImageFilter support in the compositor.

cc/layer_impl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CCLayerImpl_h
 #define CCLayerImpl_h
 
 #include "CCInputHandler.h"
 #include "CCLayerAnimationController.h"
 #include "CCRenderSurface.h"
@@ skipping 92 matching lines @@
 
     void setBackgroundColor(SkColor);
     SkColor backgroundColor() const { return m_backgroundColor; }
 
     void setFilters(const WebKit::WebFilterOperations&);
     const WebKit::WebFilterOperations& filters() const { return m_filters; }
 
     void setBackgroundFilters(const WebKit::WebFilterOperations&);
     const WebKit::WebFilterOperations& backgroundFilters() const { return m_backgroundFilters; }
 
+    void setFilter(SkImageFilter*);
+    SkImageFilter* filter() const { return m_filter; }
+
     void setMasksToBounds(bool);
     bool masksToBounds() const { return m_masksToBounds; }
 
     void setContentsOpaque(bool);
     bool contentsOpaque() const { return m_contentsOpaque; }
 
     void setOpacity(float);
     bool opacityIsAnimating() const;
 
     void setPosition(const FloatPoint&);
@@ skipping 232 matching lines @@
 
     // Debug borders.
     SkColor m_debugBorderColor;
     float m_debugBorderWidth;
 
     // Debug layer name.
     std::string m_debugName;
 
     WebKit::WebFilterOperations m_filters;
     WebKit::WebFilterOperations m_backgroundFilters;
+    SkImageFilter* m_filter;
 
     WebKit::WebTransformationMatrix m_drawTransform;
     WebKit::WebTransformationMatrix m_screenSpaceTransform;
     bool m_drawTransformIsAnimating;
     bool m_screenSpaceTransformIsAnimating;
 
 #ifndef NDEBUG
     bool m_betweenWillDrawAndDidDraw;
 #endif
 
@@ skipping 15 matching lines @@
 
     // Manages scrollbars for this layer
     scoped_ptr<ScrollbarAnimationController> m_scrollbarAnimationController;
 };
 
 void sortLayers(std::vector<LayerImpl*>::iterator first, std::vector<LayerImpl*>::iterator end, LayerSorter*);
 
 }
 
 #endif // CCLayerImpl_h