cc: Rename VSync to BeginFrame

cc/test/fake_output_surface.cc

Index: cc/test/fake_output_surface.cc
diff --git a/cc/test/fake_output_surface.cc b/cc/test/fake_output_surface.cc
index f7819ba668b286b9f934997d0a537112cea508f5..2f1f8b9ce705da2dceadccf7c1734a5e8b7f89c4 100644
--- a/cc/test/fake_output_surface.cc
+++ b/cc/test/fake_output_surface.cc
@@ -15,7 +15,7 @@ FakeOutputSurface::FakeOutputSurface(
     scoped_ptr<WebKit::WebGraphicsContext3D> context3d, bool has_parent)
     : OutputSurface(context3d.Pass()),
       num_sent_frames_(0),
-      vsync_notification_enabled_(false),
+      begin_frame_notification_enabled_(false),
       weak_ptr_factory_(this) {
   capabilities_.has_parent_compositor = has_parent;
 }
@@ -39,12 +39,12 @@ void FakeOutputSurface::SendFrameToParentCompositor(
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
-void FakeOutputSurface::EnableVSyncNotification(bool enable) {
-  vsync_notification_enabled_ = enable;
+void FakeOutputSurface::EnableBeginFrameNotification(bool enable) {
+  begin_frame_notification_enabled_ = enable;
 }
 
-void FakeOutputSurface::DidVSync(base::TimeTicks frame_time) {
-  client_->DidVSync(frame_time);
+void FakeOutputSurface::BeginFrame(base::TimeTicks frame_time) {
+  client_->BeginFrame(frame_time);
 }
 
 void FakeOutputSurface::SendFrameAck() {