Changed GpuVSyncProvider to implement gfx::VSyncProvider

gpu/ipc/in_process_command_buffer.cc

Index: gpu/ipc/in_process_command_buffer.cc
diff --git a/gpu/ipc/in_process_command_buffer.cc b/gpu/ipc/in_process_command_buffer.cc
index cfdc87942affc0665f30e5b0143b059d7dc06596..a2ca15673ba964dec399f06e7a9da4b28f8a89ba 100644
--- a/gpu/ipc/in_process_command_buffer.cc
+++ b/gpu/ipc/in_process_command_buffer.cc
@@ -1065,6 +1065,15 @@ void InProcessCommandBuffer::UpdateVSyncParameters(base::TimeTicks timebase,
                  client_thread_weak_ptr_, timebase, interval));
 }
 
+void InProcessCommandBuffer::AddFilter(IPC::MessageFilter* message_filter) {
+  NOTREACHED();
+}
+
+int32_t InProcessCommandBuffer::GetRouteID() const {
+  NOTREACHED();
+  return 0;
+}
+
 void InProcessCommandBuffer::DidSwapBuffersCompleteOnOriginThread(
     SwapBuffersCompleteParams params) {
 #if defined(OS_MACOSX)