Aura: Browser-side changes for Composite-To-Mailbox

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 248681ea4a04778f71c7edd27d01f78b20e38337..c7ef385d74cd38b9dc7a6c0d067c148a64a1af99 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -24,6 +24,10 @@ struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 struct ViewHostMsg_TextInputState_Params;
 
+namespace cc {
+class CompositorFrame;
+}
+
 namespace webkit {
 namespace npapi {
 struct WebPluginGeometry;
@@ -194,6 +198,10 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
   // returned only if the accelerated surface size matches.
   virtual bool HasAcceleratedSurface(const gfx::Size& desired_size) = 0;
 
+  virtual void OnSwapCompositorFrame(const cc::CompositorFrame& frame,
+                                     int render_host_id,
+                                     int route_id) {}
+
 #if defined(OS_MACOSX)
   // Called just before GetBackingStore blocks for an updated frame.
   virtual void AboutToWaitForBackingStoreMsg() = 0;