Implement SingleThreadProxy CommitVSyncParameters

Implement CommitVSyncParameter in SingleThreadProxy like ThreadProxy.

BUG=372086

Review URL: https://codereview.chromium.org/797693004

Cr-Commit-Position: refs/heads/master@{#308436}

cc/trees/single_thread_proxy.cc

@@ -463,6 +463,12 @@ void SingleThreadProxy::DidLoseOutputSurfaceOnImplThread() {
     scheduler_on_impl_thread_->DidLoseOutputSurface();
 }
 
+void SingleThreadProxy::CommitVSyncParameters(base::TimeTicks timebase,
+                                              base::TimeDelta interval) {
+  if (scheduler_on_impl_thread_)
+    scheduler_on_impl_thread_->CommitVSyncParameters(timebase, interval);
+}
+
 void SingleThreadProxy::DidSwapBuffersOnImplThread() {
   TRACE_EVENT0("cc", "SingleThreadProxy::DidSwapBuffersOnImplThread");
   if (scheduler_on_impl_thread_)

cc/trees/single_thread_proxy.h

@@ -82,7 +82,7 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
   void UpdateRendererCapabilitiesOnImplThread() override;
   void DidLoseOutputSurfaceOnImplThread() override;
   void CommitVSyncParameters(base::TimeTicks timebase,
-                             base::TimeDelta interval) override {}
+                             base::TimeDelta interval) override;
   void SetEstimatedParentDrawTime(base::TimeDelta draw_time) override {}
   void SetMaxSwapsPendingOnImplThread(int max) override {}
   void DidSwapBuffersOnImplThread() override;