Pipe impl_latency_takes_priority_ to the RenderScheduler.

cc/output/begin_frame_args.h

Index: cc/output/begin_frame_args.h
diff --git a/cc/output/begin_frame_args.h b/cc/output/begin_frame_args.h
index c22f7fdde97b701c3118769955025eab5e7a402d..bf54520b39e1e8e56164111cc3db1ebc5729a4c8 100644
--- a/cc/output/begin_frame_args.h
+++ b/cc/output/begin_frame_args.h
@@ -64,7 +64,8 @@ struct CC_EXPORT BeginFrameArgs {
                                base::TimeTicks frame_time,
                                base::TimeTicks deadline,
                                base::TimeDelta interval,
-                               BeginFrameArgsType type);
+                               BeginFrameArgsType type,
+                               bool on_critical_path);
 
   // This is the default delta that will be used to adjust the deadline when
   // proper draw-time estimations are not yet available.
@@ -83,12 +84,14 @@ struct CC_EXPORT BeginFrameArgs {
   base::TimeTicks deadline;
   base::TimeDelta interval;
   BeginFrameArgsType type;
+  bool on_critical_path;
 
  private:
   BeginFrameArgs(base::TimeTicks frame_time,
                  base::TimeTicks deadline,
                  base::TimeDelta interval,
-                 BeginFrameArgsType type);
+                 BeginFrameArgsType type,
+                 bool on_critical_path);
 };
 
 }  // namespace cc