cc: Plumbing for BeginFrameSource based on Surfaces

cc/surfaces/surface_display_output_surface.cc

 // Copyright 2014 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 "cc/surfaces/surface_display_output_surface.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/surfaces/display.h"
@@ skipping 75 matching lines @@
 }
 
 void SurfaceDisplayOutputSurface::ReturnResources(
     const ReturnedResourceArray& resources) {
   CompositorFrameAck ack;
   ack.resources = resources;
   if (client_)
     client_->ReclaimResources(&ack);
 }
 
+void SurfaceDisplayOutputSurface::SetBeginFrameSource(
+    BeginFrameSource* begin_frame_source) {
+  // TODO(tansell): Hook this up.
+  NOTIMPLEMENTED();
+}
+
 void SurfaceDisplayOutputSurface::SwapBuffersComplete(SurfaceDrawStatus drawn) {
   if (client_ && !display_client_->output_surface_lost())
     client_->DidSwapBuffersComplete();
 }
 
 }  // namespace cc