Make blink platform time consistent with the timer virtual time

components/scheduler/base/task_queue_manager.h

Index: components/scheduler/base/task_queue_manager.h
diff --git a/components/scheduler/base/task_queue_manager.h b/components/scheduler/base/task_queue_manager.h
index 88737a336b76fc5d39ba6b22c179f6d2d84c1b98..002c4bc351a7d7fba8b4be655d326ce16f10bc42 100644
--- a/components/scheduler/base/task_queue_manager.h
+++ b/components/scheduler/base/task_queue_manager.h
@@ -100,8 +100,8 @@ class SCHEDULER_EXPORT TaskQueueManager
   // Note |observer| is expected to outlive the SchedulerHelper.
   void SetObserver(Observer* observer);
 
-  // Returns the TickClock used by the TaskQueueManager.
-  base::TickClock* tick_clock() const;
+  // Returns the delegate used by the TaskQueueManager.
+  const scoped_refptr<TaskQueueManagerDelegate>& delegate() const;
 
  private:
   friend class internal::LazyNow;