WebTaskRunnerImpl to take a TaskQueue

components/scheduler/child/web_task_runner_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 "components/scheduler/child/web_task_runner_impl.h"
 
 #include "base/bind.h"
 #include "base/location.h"
-#include "base/single_thread_task_runner.h"
+#include "components/scheduler/base/task_queue.h"
 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
 
 namespace scheduler {
 
-WebTaskRunnerImpl::WebTaskRunnerImpl(
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
-    : task_runner_(task_runner) {}
+WebTaskRunnerImpl::WebTaskRunnerImpl(scoped_refptr<TaskQueue> task_queue)
+    : task_queue_(task_queue) {}
 
 WebTaskRunnerImpl::~WebTaskRunnerImpl() {}
 
 void WebTaskRunnerImpl::postTask(const blink::WebTraceLocation& web_location,
                                  blink::WebTaskRunner::Task* task) {
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
-  task_runner_->PostTask(
+  task_queue_->PostTask(
       location,
       base::Bind(&WebTaskRunnerImpl::runTask,
                  base::Passed(scoped_ptr<blink::WebTaskRunner::Task>(task))));
 }
 
 void WebTaskRunnerImpl::postDelayedTask(
     const blink::WebTraceLocation& web_location,
     blink::WebTaskRunner::Task* task,
     double delayMs) {
   DCHECK_GE(delayMs, 0.0);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
-  task_runner_->PostDelayedTask(
+  task_queue_->PostDelayedTask(
       location,
       base::Bind(&WebTaskRunnerImpl::runTask,
                  base::Passed(scoped_ptr<blink::WebTaskRunner::Task>(task))),
       base::TimeDelta::FromMillisecondsD(delayMs));
 }
 
 blink::WebTaskRunner* WebTaskRunnerImpl::clone() {
-  return new WebTaskRunnerImpl(task_runner_);
+  return new WebTaskRunnerImpl(task_queue_);
 }
 
 void WebTaskRunnerImpl::runTask(scoped_ptr<blink::WebTaskRunner::Task> task)
 {
   task->run();
 }
 
 }  // namespace scheduler