[content]: Add CanExceedIdleDeadlineIfRequired function to RendererScheduler.

content/renderer/scheduler/web_scheduler_impl.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/web_scheduler_impl.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "content/renderer/scheduler/renderer_scheduler.h"
 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
 
 namespace content {
 
 WebSchedulerImpl::WebSchedulerImpl(RendererScheduler* renderer_scheduler)
     : renderer_scheduler_(renderer_scheduler),
       idle_task_runner_(renderer_scheduler_->IdleTaskRunner()),
       loading_task_runner_(renderer_scheduler_->LoadingTaskRunner()) {
 }
 
 WebSchedulerImpl::~WebSchedulerImpl() {
 }
 
 bool WebSchedulerImpl::shouldYieldForHighPriorityWork() {
   return renderer_scheduler_->ShouldYieldForHighPriorityWork();
 }
 
+bool WebSchedulerImpl::canExceedIdleDeadlineIfRequired()  {
+  return renderer_scheduler_->CanExceedIdleDeadlineIfRequired();
+}
+
 void WebSchedulerImpl::runIdleTask(
     scoped_ptr<blink::WebScheduler::IdleTask> task,
     base::TimeTicks deadline) {
   task->run((deadline - base::TimeTicks()).InSecondsF());
 }
 
 void WebSchedulerImpl::runTask(scoped_ptr<blink::WebThread::Task> task) {
   task->run();
 }
 
@@ skipping 31 matching lines @@
       base::Bind(&WebSchedulerImpl::runTask, base::Passed(&scoped_task)));
 }
 
 void WebSchedulerImpl::shutdown() {
   idle_task_runner_ = nullptr;
   loading_task_runner_ = nullptr;
   return renderer_scheduler_->Shutdown();
 }
 
 }  // namespace content