mus: Change PointerWatcher to observe all pointer events, with moves optional.

ash/common/shelf/overflow_bubble.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_COMMON_SHELF_OVERFLOW_BUBBLE_H_
 #define ASH_COMMON_SHELF_OVERFLOW_BUBBLE_H_
 
 #include "base/macros.h"
 #include "ui/views/pointer_watcher.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace ui {
-class LocatedEvent;
+class PointerEvent;
 }
 
 namespace views {
 class View;
 }
 
 namespace ash {
 class OverflowBubbleView;
 class ShelfView;
 class WmShelf;
@@ skipping 18 matching lines @@
   void HideBubbleAndRefreshButton();
 
   bool IsShowing() const { return !!bubble_; }
   ShelfView* shelf_view() { return shelf_view_; }
   OverflowBubbleView* bubble_view() { return bubble_; }
 
  private:
   void ProcessPressedEvent(const gfx::Point& event_location_in_screen);
 
   // views::PointerWatcher:
-  void OnMousePressed(const ui::MouseEvent& event,
-                      const gfx::Point& location_in_screen,
-                      views::Widget* target) override;
-  void OnTouchPressed(const ui::TouchEvent& event,
-                      const gfx::Point& location_in_screen,
-                      views::Widget* target) override;
+  void OnPointerWatcherEvent(const ui::PointerEvent& event,
+                             const gfx::Point& location_in_screen,
+                             views::Widget* target) override;
 
   // Overridden from views::WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;
 
   WmShelf* wm_shelf_;
   OverflowBubbleView* bubble_;  // Owned by views hierarchy.
   views::View* anchor_;         // Owned by ShelfView.
   ShelfView* shelf_view_;       // Owned by |bubble_|.
 
   DISALLOW_COPY_AND_ASSIGN(OverflowBubble);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_OVERFLOW_BUBBLE_H_