SetPreviousFrameSurface should copy latency info to the new surface

cc/surfaces/surface.h

Index: cc/surfaces/surface.h
diff --git a/cc/surfaces/surface.h b/cc/surfaces/surface.h
index c42292e3b04655cf1f97498df3ab5acfcfd5f397..f35740ab3f0ea3ae2b1141129ca50c74b8136075 100644
--- a/cc/surfaces/surface.h
+++ b/cc/surfaces/surface.h
@@ -132,6 +132,12 @@ class CC_SURFACES_EXPORT Surface {
   void UnrefFrameResources(const CompositorFrame& frame_data);
   void ClearCopyRequests();
 
+  void TakeLatencyInfoFromPendingFrame(
+      std::vector<ui::LatencyInfo>* latency_info);
+  static void TakeLatencyInfoFromFrame(
+      CompositorFrame* frame,
+      std::vector<ui::LatencyInfo>* latency_info);
+
   SurfaceId surface_id_;
   SurfaceId previous_frame_surface_id_;
   base::WeakPtr<SurfaceFactory> factory_;