mus: Add watcher for all touch events.

ui/views/pointer_watcher.h

Index: ui/views/pointer_watcher.h
diff --git a/ui/views/pointer_watcher.h b/ui/views/pointer_watcher.h
index 2abc4cb42d220fdb90587dc70974246278d3bb0e..e9023e8c44093fa6f6a303f1971667df925f4c0f 100644
--- a/ui/views/pointer_watcher.h
+++ b/ui/views/pointer_watcher.h
@@ -27,14 +27,15 @@ class Widget;
 // event.target() is always null.
 class VIEWS_EXPORT PointerWatcher {
  public:
-  virtual ~PointerWatcher() {}
-
   virtual void OnMousePressed(const ui::MouseEvent& event,
                               const gfx::Point& location_in_screen,
                               Widget* target) = 0;
   virtual void OnTouchPressed(const ui::TouchEvent& event,
                               const gfx::Point& location_in_screen,
                               Widget* target) = 0;
+
+ protected:
+  virtual ~PointerWatcher() {}
 };

[msw, 2016/07/12 22:23:11]

nit: private: DISALLOW_COPY_AND_ASSIGN?

[riajiang, 2016/07/13 15:40:21]

Done.

 
 }  // namespace views