Remove NOTIMPLEMENTED for SurfaceFactoryClient::SetBeginFrameSource's

content/browser/frame_host/render_widget_host_view_child_frame.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 "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/surfaces/surface_sequence.h"
@@ skipping 447 matching lines @@
   }
 
   std::copy(resources.begin(), resources.end(),
             std::back_inserter(surface_returned_resources_));
 }
 
 void RenderWidgetHostViewChildFrame::SetBeginFrameSource(
     cc::SurfaceId surface_id,
     cc::BeginFrameSource* begin_frame_source) {
   // TODO(tansell): Hook this up.
-  NOTIMPLEMENTED();
 }
 
 BrowserAccessibilityManager*
 RenderWidgetHostViewChildFrame::CreateBrowserAccessibilityManager(
     BrowserAccessibilityDelegate* delegate) {
   return BrowserAccessibilityManager::Create(
       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
 }
 
 void RenderWidgetHostViewChildFrame::ClearCompositorSurfaceIfNecessary() {
   if (surface_factory_ && !surface_id_.is_null())
     surface_factory_->Destroy(surface_id_);
   surface_id_ = cc::SurfaceId();
 }
 
 }  // namespace content