Remove abstract Clone and Cancel methods from MotionEvent

ui/events/test/mock_motion_event.h

Index: ui/events/test/mock_motion_event.h
diff --git a/ui/events/test/mock_motion_event.h b/ui/events/test/mock_motion_event.h
index 5c34b71a365288deaa7604ffba44210a111e8dd7..5690fd5f5ff7a9c411db670f4321f5c4fd0b42e1 100644
--- a/ui/events/test/mock_motion_event.h
+++ b/ui/events/test/mock_motion_event.h
@@ -35,13 +35,10 @@ struct MockMotionEvent : public MotionEventGeneric {
   MockMotionEvent(Action action,
                   base::TimeTicks time,
                   const std::vector<gfx::PointF>& positions);
-  MockMotionEvent(const MockMotionEvent& other);
+  MockMotionEvent(const MockMotionEvent& event);
 
   virtual ~MockMotionEvent();
 
-  // MotionEvent methods.
-  virtual scoped_ptr<MotionEvent> Clone() const override;
-  virtual scoped_ptr<MotionEvent> Cancel() const override;
 
   // Utility methods.
   void PressPoint(float x, float y);