cc: Add support for handling authoritative vsync interval

cc/trees/thread_proxy.cc

Index: cc/trees/thread_proxy.cc
diff --git a/cc/trees/thread_proxy.cc b/cc/trees/thread_proxy.cc
index ff2ca46615e8e2971beeb4b28d791fa6e5dce06c..9a095efcd4b579006a60cda0785777cfe30779bd 100644
--- a/cc/trees/thread_proxy.cc
+++ b/cc/trees/thread_proxy.cc
@@ -1139,6 +1139,11 @@ void ThreadProxy::SendBeginFramesToChildren(const BeginFrameArgs& args) {
   NOTREACHED() << "Only used by SingleThreadProxy";
 }
 
+void ThreadProxy::SetAuthoritativeVSyncInterval(
+    const base::TimeDelta& interval) {
+  NOTREACHED() << "Only used by SingleThreadProxy";
+}
+
 void ThreadProxy::ReadyToFinalizeTextureUpdates() {
   DCHECK(IsImplThread());
   impl().scheduler->NotifyReadyToCommit();