Remove default begin frame sources from the renderer

content/renderer/gpu/compositor_output_surface.h

 // 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.
 
 #ifndef CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 68 matching lines @@
 
    private:
     friend class base::RefCountedThreadSafe<CompositorOutputSurfaceProxy>;
     ~CompositorOutputSurfaceProxy() {}
     CompositorOutputSurface* output_surface_;
 
     DISALLOW_COPY_AND_ASSIGN(CompositorOutputSurfaceProxy);
   };
 
   void OnMessageReceived(const IPC::Message& message);
-  void OnUpdateVSyncParametersFromBrowser(base::TimeTicks timebase,
-                                          base::TimeDelta interval);
   void OnReclaimCompositorResources(uint32_t output_surface_id,
                                     bool is_swap_ack,
                                     const cc::ReturnedResourceArray& resources);
   bool Send(IPC::Message* message);
 
   scoped_refptr<CompositorForwardingMessageFilter> output_surface_filter_;
   CompositorForwardingMessageFilter::Handler output_surface_filter_handler_;
   scoped_refptr<CompositorOutputSurfaceProxy> output_surface_proxy_;
   scoped_refptr<IPC::SyncMessageFilter> message_sender_;
   scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue_;
   int routing_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_