Add CCDelegatingRenderer, and corresponding IPCs

content/port/browser/render_widget_host_view_port.h

Index: content/port/browser/render_widget_host_view_port.h
diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h
index 8c60c76508a5a0cc31de908ad64fa673015d9802..e0406249f8b16eb93b6c79fbfb063615878d790a 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -29,11 +29,12 @@ struct WebPluginGeometry;
 }
 }
 
-#if defined(OS_POSIX) || defined(USE_AURA)
 namespace WebKit {
+struct WebCompositorFrame;
+#if defined(OS_POSIX) || defined(USE_AURA)
 struct WebScreenInfo;
-}
 #endif
+}
 
 namespace content {
 class BackingStore;
@@ -228,6 +229,8 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
       uint64 surface_id) {}
   virtual void AcceleratedSurfaceRelease(uint64 surface_id) {}
 
+  virtual void SwapCompositorFrame(const WebKit::WebCompositorFrame& frame) {}
+
 #if defined(TOOLKIT_GTK)
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) = 0;
   virtual void DestroyPluginContainer(gfx::PluginWindowHandle id) = 0;