Introduce WebTaskRunner Patch 2/5

components/scheduler/child/webthread_impl_for_worker_scheduler.h

Index: components/scheduler/child/webthread_impl_for_worker_scheduler.h
diff --git a/components/scheduler/child/webthread_impl_for_worker_scheduler.h b/components/scheduler/child/webthread_impl_for_worker_scheduler.h
index a6a2c46cf2aab9639be18e757c60545e57b85240..a09cde4746f37d55b1f0d6e96695e6e69670d579 100644
--- a/components/scheduler/child/webthread_impl_for_worker_scheduler.h
+++ b/components/scheduler/child/webthread_impl_for_worker_scheduler.h
@@ -20,6 +20,7 @@ namespace scheduler {
 class SchedulerTaskRunnerDelegate;
 class SingleThreadIdleTaskRunner;
 class WebSchedulerImpl;
+class WebTaskRunnerImpl;
 class WorkerScheduler;
 
 class SCHEDULER_EXPORT WebThreadImplForWorkerScheduler
@@ -32,6 +33,7 @@ class SCHEDULER_EXPORT WebThreadImplForWorkerScheduler
   // blink::WebThread implementation.
   virtual blink::WebScheduler* scheduler() const;
   blink::PlatformThreadId threadId() const override;
+  virtual blink::WebTaskRunner* taskRunner();
 
   // WebThreadBase implementation.
   base::SingleThreadTaskRunner* TaskRunner() const override;
@@ -56,6 +58,7 @@ class SCHEDULER_EXPORT WebThreadImplForWorkerScheduler
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<scheduler::SingleThreadIdleTaskRunner> idle_task_runner_;
   scoped_refptr<SchedulerTaskRunnerDelegate> task_runner_delegate_;
+  scoped_ptr<WebTaskRunnerImpl> web_task_runner_;
 };
 
 }  // namespace scheduler