[content]: Add CanExceedIdleDeadlineIfRequired function to RendererScheduler.

content/test/fake_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/test/fake_renderer_scheduler.h"
 
 namespace content {
 
 FakeRendererScheduler::FakeRendererScheduler() {
 }
@@ skipping 38 matching lines @@
 }
 
 bool FakeRendererScheduler::IsHighPriorityWorkAnticipated() {
   return false;
 }
 
 bool FakeRendererScheduler::ShouldYieldForHighPriorityWork() {
   return false;
 }
 
+bool FakeRendererScheduler::CanExceedIdleDeadlineIfRequired() const {
+  return false;
+}
+
 void FakeRendererScheduler::AddTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
 }
 
 void FakeRendererScheduler::RemoveTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
 }
 
 void FakeRendererScheduler::Shutdown() {
 }
 
 }  // namespace content