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

content/renderer/gpu/compositor_output_surface.h

Index: content/renderer/gpu/compositor_output_surface.h
diff --git a/content/renderer/gpu/compositor_output_surface.h b/content/renderer/gpu/compositor_output_surface.h
index 57b344ae5ed9b2b773b5e1c6adbef1879ee3ccb5..521daea222a5290a984af54bed6e28804258e09e 100644
--- a/content/renderer/gpu/compositor_output_surface.h
+++ b/content/renderer/gpu/compositor_output_surface.h
@@ -23,6 +23,10 @@ class ForwardingMessageFilter;
 class Message;
 }
 
+namespace cc {
+class CompositorFrameAck;
+}
+
 namespace content {
 
 // This class can be created only on the main thread, but then becomes pinned
@@ -36,7 +40,8 @@ class CompositorOutputSurface
 
   CompositorOutputSurface(int32 routing_id,
                           WebKit::WebGraphicsContext3D* context3d,
-                          cc::SoftwareOutputDevice* software);
+                          cc::SoftwareOutputDevice* software,
+                          bool renderToMailbox);
   virtual ~CompositorOutputSurface();
 
   // cc::OutputSurface implementation.
@@ -70,6 +75,7 @@ class CompositorOutputSurface
   void OnMessageReceived(const IPC::Message& message);
   void OnUpdateVSyncParameters(
       base::TimeTicks timebase, base::TimeDelta interval);
+  void OnSwapAck(const cc::CompositorFrameAck& ack);
   bool Send(IPC::Message* message);
 
   scoped_refptr<IPC::ForwardingMessageFilter> output_surface_filter_;