Prepare for per-webview virtual time

components/scheduler/base/task_queue_manager_delegate.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_BASE_TASK_QUEUE_MANAGER_DELEGATE_H_
 #define COMPONENTS_SCHEDULER_BASE_TASK_QUEUE_MANAGER_DELEGATE_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/tick_clock.h"
 #include "components/scheduler/scheduler_export.h"
 
 namespace scheduler {
 
 class SCHEDULER_EXPORT TaskQueueManagerDelegate
     : public base::SingleThreadTaskRunner,
       public base::TickClock {
  public:
   TaskQueueManagerDelegate() {}
 
   // Returns true if the task runner is nested (i.e., running a run loop within
   // a nested task).
   virtual bool IsNested() const = 0;
 
-  // Used by the TaskQueueManager to tell us there is no more non-delayed work
-  // to do.
-  // TODO(alexclarke): Try and find a better interface that avoids the need for
-  // this.
-  virtual void OnNoMoreImmediateWork() = 0;
-
-  // Returns the time as a double which is the number of seconds since epoch
-  // (Jan 1, 1970).  Blink uses this format to represent time.
-  virtual double CurrentTimeSeconds() const = 0;
-
  protected:
   ~TaskQueueManagerDelegate() override {}
 
   DISALLOW_COPY_AND_ASSIGN(TaskQueueManagerDelegate);
 };
 
 }  // namespace scheduler
 
 #endif  // COMPONENTS_SCHEDULER_BASE_TASK_QUEUE_MANAGER_DELEGATE_H_