Support distributing vsync info with surfaces.

content/browser/compositor/onscreen_display_client.cc

Index: content/browser/compositor/onscreen_display_client.cc
diff --git a/content/browser/compositor/onscreen_display_client.cc b/content/browser/compositor/onscreen_display_client.cc
index 2ca7a75bd67dd90545beb10b516f122f47b069a6..f7b6fcd359e0526e27ed4800d833f90ead318cd1 100644
--- a/content/browser/compositor/onscreen_display_client.cc
+++ b/content/browser/compositor/onscreen_display_client.cc
@@ -8,6 +8,7 @@
 #include "cc/output/output_surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_manager.h"
+#include "content/browser/compositor/surface_display_output_surface.h"
 #include "content/common/host_shared_bitmap_manager.h"
 
 namespace content {
@@ -34,6 +35,11 @@ scoped_ptr<cc::OutputSurface> OnscreenDisplayClient::CreateOutputSurface() {
   return output_surface_.Pass();
 }
 
+void OnscreenDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
+                                                  base::TimeDelta interval) {
+  surface_display_output_surface_->ReceivedVSyncParameters(timebase, interval);
+}
+
 void OnscreenDisplayClient::DisplayDamaged() {
   if (scheduled_draw_ || deferred_draw_)
     return;