[Android] Map raw touch coordinates to global gesture locations

ui/events/gesture_detection/mock_motion_event.h

Index: ui/events/gesture_detection/mock_motion_event.h
diff --git a/ui/events/gesture_detection/mock_motion_event.h b/ui/events/gesture_detection/mock_motion_event.h
index 5b4856f2b9c8aa40a7ab79baa072a82196f08578..433de7b3b0821d0ff7c8eef0c6a883df1fc23003 100644
--- a/ui/events/gesture_detection/mock_motion_event.h
+++ b/ui/events/gesture_detection/mock_motion_event.h
@@ -72,10 +72,12 @@ struct MockMotionEvent : public MotionEvent {
   void ReleasePoint();
   void CancelPoint();
   void SetTouchMajor(float new_touch_major);
+  void SetRawOffset(float raw_offset_x, float raw_offset_y);
 
   MotionEvent::Action action;
   size_t pointer_count;
   gfx::PointF points[MAX_POINTERS];
+  gfx::Vector2dF raw_offset;
   base::TimeTicks time;
   float touch_major;
   int id;