Support distributing vsync info with surfaces.

content/browser/compositor/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 "content/browser/compositor/surface_display_output_surface.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
@@ skipping 15 matching lines @@
   capabilities_.max_frames_pending = 1;
 }
 
 SurfaceDisplayOutputSurface::~SurfaceDisplayOutputSurface() {
   client_ = NULL;
   if (!surface_id_.is_null()) {
     factory_.Destroy(surface_id_);
   }
 }
 
+void SurfaceDisplayOutputSurface::ReceivedVSyncParameters(
+    base::TimeTicks timebase,
+    base::TimeDelta interval) {
+  CommitVSyncParameters(timebase, interval);
+}
+
 void SurfaceDisplayOutputSurface::SwapBuffers(cc::CompositorFrame* frame) {
   gfx::Size frame_size =
       frame->delegated_frame_data->render_pass_list.back()->output_rect.size();
   if (frame_size != display_size_) {
     if (!surface_id_.is_null()) {
       factory_.Destroy(surface_id_);
     }
     surface_id_ = allocator_.GenerateId();
     factory_.Create(surface_id_, frame_size);
     display_size_ = frame_size;
@@ skipping 17 matching lines @@
   ack.resources = resources;
   if (client_)
     client_->ReclaimResources(&ack);
 }
 
 void SurfaceDisplayOutputSurface::SwapBuffersComplete() {
   client_->DidSwapBuffersComplete();
 }
 
 }  // namespace content