Pipe impl_latency_takes_priority_ to the RenderScheduler.

cc/scheduler/scheduler.h

Index: cc/scheduler/scheduler.h
diff --git a/cc/scheduler/scheduler.h b/cc/scheduler/scheduler.h
index 98e92c0d3063569d69b31fd8be69f6803f129f64..12ac03ebd67d0b505058d5e4359b5c95f4c5f56c 100644
--- a/cc/scheduler/scheduler.h
+++ b/cc/scheduler/scheduler.h
@@ -152,6 +152,9 @@ class CC_EXPORT Scheduler : public BeginFrameObserverMixIn {
   bool BeginImplFrameDeadlinePending() const {
     return !begin_impl_frame_deadline_task_.IsCancelled();
   }
+  bool MainThreadOnCriticalPath() const {

[Sami, 2015/06/08 11:47:53]

This should probably mirror the setter (SetImplLatencyTakesPriority).

[alex clarke (OOO till 29th), 2015/06/08 16:58:07]

Done.

+    return !state_machine_.impl_latency_takes_priority();
+  }
 
   base::TimeTicks AnticipatedDrawTime() const;