cc: Plumbing for BeginFrameSource based on Surfaces

components/mus/surfaces/top_level_display_client.cc

 // Copyright 2015 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 "components/mus/surfaces/top_level_display_client.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
 #include "components/mus/gles2/gpu_state.h"
@@ skipping 90 matching lines @@
   surfaces_state_->scheduler()->OnVSyncParametersUpdated(
       base::TimeTicks::FromInternalValue(timebase),
       base::TimeDelta::FromInternalValue(interval));
 }
 
 void TopLevelDisplayClient::ReturnResources(
     const cc::ReturnedResourceArray& resources) {
   // TODO(fsamuel): Implement this.
 }
 
+void TopLevelDisplayClient::SetBeginFrameSource(
+    cc::BeginFrameSource* begin_frame_source) {
+  // TODO(tansell): Implement this.
+}
+
 }  // namespace mus