Adds a flag to support "Virtual Time" to the blink scheduler

components/scheduler/child/webthread_impl_for_worker_scheduler.h

 // 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.
 
 #ifndef COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_IMPL_FOR_WORKER_SCHEDULER_H_
 #define COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_IMPL_FOR_WORKER_SCHEDULER_H_
 
 #include "components/scheduler/base/task_queue_manager.h"
 #include "components/scheduler/child/webthread_base.h"
 
 namespace base {
 class WaitableEvent;
 };
 
 namespace blink {
 class WebScheduler;
 };
 
 namespace scheduler {
-class SchedulerTaskRunnerDelegate;
+class SchedulerTqmDelegate;
 class SingleThreadIdleTaskRunner;
 class WebSchedulerImpl;
 class WebTaskRunnerImpl;
 class WorkerScheduler;
 
 class SCHEDULER_EXPORT WebThreadImplForWorkerScheduler
     : public WebThreadBase,
       public base::MessageLoop::DestructionObserver {
  public:
   explicit WebThreadImplForWorkerScheduler(const char* name);
@@ skipping 19 matching lines @@
 
   void InitOnThread(base::WaitableEvent* completion);
   void RestoreTaskRunnerOnThread(base::WaitableEvent* completion);
 
   scoped_ptr<base::Thread> thread_;
   scoped_ptr<scheduler::WorkerScheduler> worker_scheduler_;
   scoped_ptr<scheduler::WebSchedulerImpl> web_scheduler_;
   scoped_refptr<base::SingleThreadTaskRunner> thread_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<scheduler::SingleThreadIdleTaskRunner> idle_task_runner_;
-  scoped_refptr<SchedulerTaskRunnerDelegate> task_runner_delegate_;
+  scoped_refptr<SchedulerTqmDelegate> task_runner_delegate_;
   scoped_ptr<WebTaskRunnerImpl> web_task_runner_;
 };
 
 }  // namespace scheduler
 
 #endif  // COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_IMPL_FOR_WORKER_SCHEDULER_H_