Add touchEventHandlerRegion to Layer and LayerImpl

cc/layer.h

 // Copyright 2010 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 CC_LAYER_H_
 #define CC_LAYER_H_
 
 #include "IntPoint.h"
 #include "Region.h"
 #include "base/memory/ref_counted.h"
@@ skipping 130 matching lines @@
     void setShouldScrollOnMainThread(bool);
     bool shouldScrollOnMainThread() const { return m_shouldScrollOnMainThread; }
 
     void setHaveWheelEventHandlers(bool);
     bool haveWheelEventHandlers() const { return m_haveWheelEventHandlers; }
 
     void setNonFastScrollableRegion(const Region&);
     void setNonFastScrollableRegionChanged() { m_nonFastScrollableRegionChanged = true; }
     const Region& nonFastScrollableRegion() const { return m_nonFastScrollableRegion; }
 
+    void setTouchEventHandlerRegion(const Region&);
+    void setTouchEventHandlerRegionChanged() { m_touchEventHandlerRegionChanged = true; }
+    const Region& touchEventHandlerRegion() const { return m_touchEventHandlerRegion; }
+
     void setLayerScrollClient(WebKit::WebLayerScrollClient* layerScrollClient) { m_layerScrollClient = layerScrollClient; }
 
     void setDrawCheckerboardForMissingTiles(bool);
     bool drawCheckerboardForMissingTiles() const { return m_drawCheckerboardForMissingTiles; }
 
     bool forceRenderSurface() const { return m_forceRenderSurface; }
     void setForceRenderSurface(bool);
 
     IntSize scrollDelta() const { return IntSize(); }
 
@@ skipping 183 matching lines @@
     // Uses layer's content space.
     gfx::Rect m_visibleContentRect;
 
     IntPoint m_scrollPosition;
     IntSize m_maxScrollPosition;
     bool m_scrollable;
     bool m_shouldScrollOnMainThread;
     bool m_haveWheelEventHandlers;
     Region m_nonFastScrollableRegion;
     bool m_nonFastScrollableRegionChanged;
+    Region m_touchEventHandlerRegion;
+    bool m_touchEventHandlerRegionChanged;
     gfx::PointF m_position;
     gfx::PointF m_anchorPoint;
     SkColor m_backgroundColor;
     SkColor m_debugBorderColor;
     float m_debugBorderWidth;
     std::string m_debugName;
     float m_opacity;
     SkImageFilter* m_filter;
     WebKit::WebFilterOperations m_filters;
     WebKit::WebFilterOperations m_backgroundFilters;
@@ skipping 38 matching lines @@
 
     WebKit::WebAnimationDelegate* m_layerAnimationDelegate;
     WebKit::WebLayerScrollClient* m_layerScrollClient;
 };
 
 void sortLayers(std::vector<scoped_refptr<Layer> >::iterator, std::vector<scoped_refptr<Layer> >::iterator, void*);
 
 }  // namespace cc
 
 #endif  // CC_LAYER_H_