Reland "Throttle resource message requests during user interaction"

content/renderer/scheduler/null_renderer_scheduler.cc

 // Copyright 2014 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 "content/renderer/scheduler/null_renderer_scheduler.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop_proxy.h"
 
 namespace content {
@@ skipping 60 matching lines @@
 void NullRendererScheduler::DidCommitFrameToCompositor() {
 }
 
 void NullRendererScheduler::DidReceiveInputEventOnCompositorThread(
     blink::WebInputEvent::Type type) {
 }
 
 void NullRendererScheduler::DidAnimateForInputOnCompositorThread() {
 }
 
+bool NullRendererScheduler::IsHighPriorityWorkAnticipated() {
+  return false;
+}
+
 bool NullRendererScheduler::ShouldYieldForHighPriorityWork() {
   return false;
 }
 
 void NullRendererScheduler::Shutdown() {
 }
 
 }  // namespace content