Chromium compositor change implementing page-scale driven pinch-zoom.

webkit/compositor_bindings/web_compositor_support_impl.h

 // Copyright (c) 2012 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 WEBKIT_COMPOSITOR_BINDINGS_WEB_COMPOSITOR_SUPPORT_IMPL_H_
 #define WEBKIT_COMPOSITOR_BINDINGS_WEB_COMPOSITOR_SUPPORT_IMPL_H_
 
 #include "third_party/WebKit/Source/Platform/chromium/public/WebLayer.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebCompositorSupport.h"
 
 namespace webkit {
 
 class WebCompositorSupportImpl : public WebKit::WebCompositorSupport {
  public:
   WebCompositorSupportImpl();
   virtual ~WebCompositorSupportImpl();
 
   virtual void initialize(WebKit::WebThread* thread);
   virtual bool isThreadingEnabled();
   virtual void shutdown();
   virtual void setPerTilePaintingEnabled(bool enabled);
   virtual void setPartialSwapEnabled(bool enabled);
   virtual void setAcceleratedAnimationEnabled(bool enabled);
+  virtual void setPageScalePinchZoomEnabled(bool enabled);
   virtual WebKit::WebLayerTreeView* createLayerTreeView(
       WebKit::WebLayerTreeViewClient* client, const WebKit::WebLayer& root,
       const WebKit::WebLayerTreeView::Settings& settings);
   virtual WebKit::WebLayer* createLayer();
   virtual WebKit::WebContentLayer* createContentLayer(
       WebKit::WebContentLayerClient* client);
   virtual WebKit::WebDelegatedRendererLayer* createDelegatedRendererLayer();
   virtual WebKit::WebExternalTextureLayer*
     createExternalTextureLayer(WebKit::WebExternalTextureLayerClient* client);
   virtual WebKit::WebIOSurfaceLayer*
@@ skipping 13 matching lines @@
       int animationId);
   virtual WebKit::WebFloatAnimationCurve*
     createFloatAnimationCurve();
   virtual WebKit::WebTransformAnimationCurve*
     createTransformAnimationCurve();
 };
 
 }  // namespace webkit
 
 #endif  // WEBKIT_COMPOSITOR_BINDINGS_WEB_COMPOSITOR_SUPPORT_IMPL_H_