Add callback when queueing frame on Surface to create backpressure.

content/browser/compositor/surface_display_output_surface.cc

 // Copyright 2014 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.
 
 #include "content/browser/compositor/surface_display_output_surface.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
@@ skipping 30 matching lines @@
       factory_.Destroy(surface_id_);
     }
     surface_id_ = allocator_.GenerateId();
     factory_.Create(surface_id_, frame_size);
     display_size_ = frame_size;
     display_->Resize(surface_id_, frame_size);
   }
 
   scoped_ptr<cc::CompositorFrame> frame_copy(new cc::CompositorFrame());
   frame->AssignTo(frame_copy.get());
-  factory_.SubmitFrame(surface_id_, frame_copy.Pass());
+  factory_.SubmitFrame(
+      surface_id_,
+      frame_copy.Pass(),
+      base::Bind(&SurfaceDisplayOutputSurface::SwapBuffersComplete,
+                 base::Unretained(this)));
 
   client_->DidSwapBuffers();
-  client_->DidSwapBuffersComplete();
 }
 
 void SurfaceDisplayOutputSurface::ReturnResources(
     const cc::ReturnedResourceArray& resources) {
   cc::CompositorFrameAck ack;
   ack.resources = resources;
   if (client_)
     client_->ReclaimResources(&ack);
 }
 
+void SurfaceDisplayOutputSurface::SwapBuffersComplete() {
+  client_->DidSwapBuffersComplete();
+}
+
 }  // namespace content