Make blink platform time consistent with the timer virtual time

components/scheduler/renderer/renderer_scheduler_impl.h

Index: components/scheduler/renderer/renderer_scheduler_impl.h
diff --git a/components/scheduler/renderer/renderer_scheduler_impl.h b/components/scheduler/renderer/renderer_scheduler_impl.h
index 70f2eaa462e6ae8cd2b652ed396ac40de01bf2eb..16699574a0a8fae3ab98dbbce579b713d5febd63 100644
--- a/components/scheduler/renderer/renderer_scheduler_impl.h
+++ b/components/scheduler/renderer/renderer_scheduler_impl.h
@@ -70,6 +70,8 @@ class SCHEDULER_EXPORT RendererSchedulerImpl
   void SuspendTimerQueue() override;
   void ResumeTimerQueue() override;
   void SetTimerQueueSuspensionWhenBackgroundedEnabled(bool enabled) override;
+  double currentTime() const override;
+  double monotonicallyIncreasingTime() const override;
 
   // RenderWidgetSignals::Observer implementation:
   void SetAllRenderWidgetsHidden(bool hidden) override;