Remove default begin frame sources from the renderer

content/renderer/gpu/compositor_output_surface.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/renderer/gpu/compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 117 matching lines @@
   // This is a delegating output surface, no framebuffer/direct drawing support.
   NOTREACHED();
   return 0;
 }
 
 void CompositorOutputSurface::OnMessageReceived(const IPC::Message& message) {
   DCHECK(client_thread_checker_.CalledOnValidThread());
   if (!HasClient())
     return;
   IPC_BEGIN_MESSAGE_MAP(CompositorOutputSurface, message)
-    IPC_MESSAGE_HANDLER(ViewMsg_UpdateVSyncParameters,
-                        OnUpdateVSyncParametersFromBrowser);
     IPC_MESSAGE_HANDLER(ViewMsg_ReclaimCompositorResources,
                         OnReclaimCompositorResources);
   IPC_END_MESSAGE_MAP()
 }
 
-void CompositorOutputSurface::OnUpdateVSyncParametersFromBrowser(
-    base::TimeTicks timebase,
-    base::TimeDelta interval) {
-  DCHECK(client_thread_checker_.CalledOnValidThread());
-  TRACE_EVENT2("cc",
-               "CompositorOutputSurface::OnUpdateVSyncParametersFromBrowser",
-               "timebase", (timebase - base::TimeTicks()).InSecondsF(),
-               "interval", interval.InSecondsF());
-  client_->CommitVSyncParameters(timebase, interval);
-}
-
 void CompositorOutputSurface::OnReclaimCompositorResources(
     uint32_t output_surface_id,
     bool is_swap_ack,
     const cc::ReturnedResourceArray& resources) {
   // Ignore message if it's a stale one coming from a different output surface
   // (e.g. after a lost context).
   if (output_surface_id != output_surface_id_)
     return;
   ReclaimResources(resources);
   if (is_swap_ack)
     client_->DidSwapBuffersComplete();
 }
 
 bool CompositorOutputSurface::Send(IPC::Message* message) {
   return message_sender_->Send(message);
 }
 
 }  // namespace content