Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/platform/scheduler/child/web_task_runner_impl.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 THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_TASK_RUNNER_IMPL_H_
 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_TASK_RUNNER_IMPL_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "platform/PlatformExport.h"
 #include "platform/WebTaskRunner.h"
 
 namespace blink {
 namespace scheduler {
 class TaskQueue;
 
 class PLATFORM_EXPORT WebTaskRunnerImpl : public WebTaskRunner {
  public:
   static RefPtr<WebTaskRunnerImpl> Create(scoped_refptr<TaskQueue> task_queue);
 
   // WebTaskRunner implementation:
-  void PostDelayedTask(const WebTraceLocation&,
-                       base::OnceClosure,
-                       double delay_ms) override;
   bool RunsTasksInCurrentSequence() override;
   double VirtualTimeSeconds() const override;
   double MonotonicallyIncreasingVirtualTimeSeconds() const override;
   base::SingleThreadTaskRunner* ToSingleThreadTaskRunner() override;
 
   TaskQueue* GetTaskQueue() const { return task_queue_.get(); }
 
  private:
   explicit WebTaskRunnerImpl(scoped_refptr<TaskQueue> task_queue);
   ~WebTaskRunnerImpl() override;
 
   base::TimeTicks Now() const;
 
   scoped_refptr<TaskQueue> task_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(WebTaskRunnerImpl);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_TASK_RUNNER_IMPL_H_