cc: Emulate BeginFrame in OutputSurfaces that don't support it natively

content/browser/renderer_host/image_transport_factory.cc

 // 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.
 
 #include "content/browser/renderer_host/image_transport_factory.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
@@ skipping 328 matching lines @@
       return false;
 
     output_surface_proxy_->AddSurface(this, surface_id_);
     return true;
   }
 
   void OnUpdateVSyncParameters(
       base::TimeTicks timebase, base::TimeDelta interval) {
     DCHECK(CalledOnValidThread());
     DCHECK(client_);
-    client_->OnVSyncParametersChanged(timebase, interval);
+    OnVSyncParametersChanged(timebase, interval);
     compositor_message_loop_->PostTask(
         FROM_HERE,
         base::Bind(&ui::Compositor::OnUpdateVSyncParameters,
                    compositor_, timebase, interval));
   }
 
  private:
   int surface_id_;
   scoped_refptr<BrowserCompositorOutputSurfaceProxy> output_surface_proxy_;
 
@@ skipping 401 matching lines @@
   delete g_factory;
   g_factory = NULL;
 }
 
 // static
 ImageTransportFactory* ImageTransportFactory::GetInstance() {
   return g_factory;
 }
 
 }  // namespace content