Send vsync timebase updates to the browser compositor

content/common/gpu/gpu_command_buffer_stub.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.
 
 #if defined(ENABLE_GPU)
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 773 matching lines @@
     const std::string& message) {
   GPUCommandBufferConsoleMessage console_message;
   console_message.id = id;
   console_message.message = message;
   IPC::Message* msg = new GpuCommandBufferMsg_ConsoleMsg(
       route_id_, console_message);
   msg->set_unblock(true);
   Send(msg);
 }
 
+void GpuCommandBufferStub::SendUpdateVSyncTime(int64 time) {
+  Send(new GpuCommandBufferMsg_UpdateVSyncTime(route_id_, time));
+}
+
 void GpuCommandBufferStub::AddDestructionObserver(
     DestructionObserver* observer) {
   destruction_observers_.AddObserver(observer);
 }
 
 void GpuCommandBufferStub::RemoveDestructionObserver(
     DestructionObserver* observer) {
   destruction_observers_.RemoveObserver(observer);
 }
 
@@ skipping 41 matching lines @@
     const GpuMemoryAllocation& allocation) {
   Send(new GpuCommandBufferMsg_SetMemoryAllocation(route_id_, allocation));
   // This can be called outside of OnMessageReceived, so the context needs to be
   // made current before calling methods on the surface.
   if (!surface_ || !MakeCurrent())
     return;
   surface_->SetFrontbufferAllocation(allocation.suggest_have_frontbuffer);
 }
 
 #endif  // defined(ENABLE_GPU)