Make WebTaskRunner ThreadSafeRefCounted

third_party/WebKit/Source/platform/scheduler/child/web_scheduler_impl.cc

 // Copyright 2015 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 "platform/scheduler/child/web_scheduler_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "platform/scheduler/child/web_task_runner_impl.h"
 #include "public/platform/WebTraceLocation.h"
 #include "public/platform/WebViewScheduler.h"
 #include "public/platform/scheduler/child/worker_scheduler.h"
 
 namespace blink {
 namespace scheduler {
 
 WebSchedulerImpl::WebSchedulerImpl(
     ChildScheduler* child_scheduler,
     scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner,
     scoped_refptr<TaskQueue> loading_task_runner,
     scoped_refptr<TaskQueue> timer_task_runner)
     : child_scheduler_(child_scheduler),
       idle_task_runner_(idle_task_runner),
       timer_task_runner_(timer_task_runner),
-      loading_web_task_runner_(new WebTaskRunnerImpl(loading_task_runner)),
-      timer_web_task_runner_(new WebTaskRunnerImpl(timer_task_runner)) {}
+      loading_web_task_runner_(WebTaskRunnerImpl::create(loading_task_runner)),
+      timer_web_task_runner_(WebTaskRunnerImpl::create(timer_task_runner)) {}
 
 WebSchedulerImpl::~WebSchedulerImpl() {}
 
 void WebSchedulerImpl::shutdown() {
   child_scheduler_->Shutdown();
 }
 
 bool WebSchedulerImpl::shouldYieldForHighPriorityWork() {
   return child_scheduler_->ShouldYieldForHighPriorityWork();
 }
@@ skipping 36 matching lines @@
 std::unique_ptr<blink::WebViewScheduler>
 WebSchedulerImpl::createWebViewScheduler(
     InterventionReporter*,
     WebViewScheduler::WebViewSchedulerSettings*) {
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace scheduler
 }  // namespace blink