Update from https://crrev.com/320931

cc/trees/single_thread_proxy.cc

 // Copyright 2011 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 "cc/trees/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/debug/devtools_instrumentation.h"
@@ skipping 470 matching lines @@
   if (scheduler_on_impl_thread_)
     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::SetEstimatedParentDrawTime(base::TimeDelta draw_time) {
+  if (scheduler_on_impl_thread_)
+    scheduler_on_impl_thread_->SetEstimatedParentDrawTime(draw_time);
+}
+
 void SingleThreadProxy::DidSwapBuffersOnImplThread() {
   TRACE_EVENT0("cc", "SingleThreadProxy::DidSwapBuffersOnImplThread");
   if (scheduler_on_impl_thread_)
     scheduler_on_impl_thread_->DidSwapBuffers();
   client_->DidPostSwapBuffers();
 }
 
 void SingleThreadProxy::DidSwapBuffersCompleteOnImplThread() {
   TRACE_EVENT0("cc,benchmark",
                "SingleThreadProxy::DidSwapBuffersCompleteOnImplThread");
@@ skipping 317 matching lines @@
 
 void SingleThreadProxy::DidBeginImplFrameDeadline() {
   layer_tree_host_impl_->ResetCurrentBeginFrameArgsForNextFrame();
 }
 
 void SingleThreadProxy::SendBeginFramesToChildren(const BeginFrameArgs& args) {
   layer_tree_host_->SendBeginFramesToChildren(args);
 }
 
 }  // namespace cc