Respect the order of input messages from browser to renderer

content/renderer/input/input_event_filter.h

Index: content/renderer/input/input_event_filter.h
diff --git a/content/renderer/input/input_event_filter.h b/content/renderer/input/input_event_filter.h
index 2f4b5f1eecb6aedaec3a3fce123ccce30535d069..3a953fd9180e7f1cef9d244d46c1625b80e16c33 100644
--- a/content/renderer/input/input_event_filter.h
+++ b/content/renderer/input/input_event_filter.h
@@ -61,8 +61,8 @@ class CONTENT_EXPORT InputEventFilter : public InputHandlerManagerClient,
   // InputHostMsg_HandleInputEvent_ACK.
   //
   void SetBoundHandler(const Handler& handler) override;
-  void DidAddInputHandler(int routing_id) override;
-  void DidRemoveInputHandler(int routing_id) override;
+  void RegisterRoutingID(int routing_id) override;
+  void UnregisterRoutingID(int routing_id) override;
   void DidOverscroll(int routing_id,
                      const DidOverscrollParams& params) override;
   void DidStartFlinging(int routing_id) override;