Fix movementX/Y attributes for touch pointer events

content/browser/renderer_host/input/input_router_impl.h

Index: content/browser/renderer_host/input/input_router_impl.h
diff --git a/content/browser/renderer_host/input/input_router_impl.h b/content/browser/renderer_host/input/input_router_impl.h
index 4634b2bc2aa7920c505deca89e95d88e3f063f1a..3281e4496a9ed7aa287bc1a32a55f7b3ed048ce4 100644
--- a/content/browser/renderer_host/input/input_router_impl.h
+++ b/content/browser/renderer_host/input/input_router_impl.h
@@ -68,7 +68,7 @@ class CONTENT_EXPORT InputRouterImpl
       const NativeWebKeyboardEventWithLatencyInfo& key_event) override;
   void SendGestureEvent(
       const GestureEventWithLatencyInfo& gesture_event) override;
-  void SendTouchEvent(const TouchEventWithLatencyInfo& touch_event) override;
+  void SendTouchEvent(TouchEventWithLatencyInfo touch_event) override;
   const NativeWebKeyboardEvent* GetLastKeyboardEvent() const override;
   void NotifySiteIsMobileOptimized(bool is_mobile_optimized) override;
   void RequestNotificationWhenFlushed() override;
@@ -87,6 +87,9 @@ class CONTENT_EXPORT InputRouterImpl
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest,
                            MainframeTouchEventRouting);
 
+  // Keeps track of last position of touch points and sets MovementXY for them.
+  void SetMovementXYForTouchPoints(blink::WebTouchEvent* event);
+
   // TouchpadTapSuppressionControllerClient
   void SendMouseEventImmediately(
       const MouseEventWithLatencyInfo& mouse_event) override;
@@ -260,6 +263,9 @@ class CONTENT_EXPORT InputRouterImpl
 
   float device_scale_factor_;
 
+  // Last touch position relative to screen. Used to compute movementX/Y.
+  std::map<int, gfx::Point> global_touch_position_;
+
   DISALLOW_COPY_AND_ASSIGN(InputRouterImpl);
 };