Make blink platform time consistent with the timer virtual time

components/scheduler/base/task_queue_manager_delegate_for_test.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_FOR_TEST_H_
 #define COMPONENTS_SCHEDULER_BASE_TASK_QUEUE_MANAGER_DELEGATE_FOR_TEST_H_
 
 #include "base/macros.h"
 #include "base/time/tick_clock.h"
 #include "components/scheduler/base/task_queue_manager_delegate.h"
@@ skipping 10 matching lines @@
   bool PostDelayedTask(const tracked_objects::Location& from_here,
                        const base::Closure& task,
                        base::TimeDelta delay) override;
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
                                   const base::Closure& task,
                                   base::TimeDelta delay) override;
   bool RunsTasksOnCurrentThread() const override;
   bool IsNested() const override;
   base::TimeTicks NowTicks() override;
   void OnNoMoreImmediateWork() override;
+  double currentTime() const override;
 
  protected:
   ~TaskQueueManagerDelegateForTest() override;
   TaskQueueManagerDelegateForTest(
       scoped_refptr<base::SingleThreadTaskRunner> task_runner,
       scoped_ptr<base::TickClock> time_source);
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_ptr<base::TickClock> time_source_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskQueueManagerDelegateForTest);
 };
 
 }  // namespace scheduler
 
 #endif  // COMPONENTS_SCHEDULER_BASE_TASK_QUEUE_MANAGER_DELEGATE_FOR_TEST_H_