Route D3D VSync signal to Compositor

gpu/ipc/client/command_buffer_proxy_impl.cc

Index: gpu/ipc/client/command_buffer_proxy_impl.cc
diff --git a/gpu/ipc/client/command_buffer_proxy_impl.cc b/gpu/ipc/client/command_buffer_proxy_impl.cc
index 033507ee6ead5a66fd27c873f44d890012d11989..233df390153b184341d48cd12c81c88d0cd9981d 100644
--- a/gpu/ipc/client/command_buffer_proxy_impl.cc
+++ b/gpu/ipc/client/command_buffer_proxy_impl.cc
@@ -335,6 +335,15 @@ void CommandBufferProxyImpl::SetUpdateVSyncParametersCallback(
   update_vsync_parameters_completion_callback_ = callback;
 }
 
+void CommandBufferProxyImpl::SetNeedsVSync(bool needs_vsync) {
+  CheckLock();
+  base::AutoLock lock(last_state_lock_);
+  if (last_state_.error != gpu::error::kNoError)
+    return;
+
+  Send(new GpuCommandBufferMsg_SetNeedsVSync(route_id_, needs_vsync));
+}
+
 gpu::CommandBuffer::State CommandBufferProxyImpl::WaitForTokenInRange(
     int32_t start,
     int32_t end) {