mash: Convert ash shelf overflow bubble to wm common types

ash/common/shelf/wm_shelf.h

 // Copyright 2016 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_WM_SHELF_H_
 #define ASH_COMMON_SHELF_WM_SHELF_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/shelf/shelf_types.h"
 
@@ skipping 27 matching lines @@
 
   // Invoke when the auto-hide state may have changed (for example, when the
   // system tray bubble opens it should force the shelf to be visible).
   virtual void UpdateAutoHideState() = 0;
 
   virtual ShelfBackgroundType GetBackgroundType() const = 0;
 
   // Shelf items are slightly dimmed (e.g. when a window is maximized).
   virtual bool IsDimmed() const = 0;
 
+  // Whether the shelf item overflow bubble is visible.
+  // TODO(jamescook): Eliminate when ShelfView moves to //ash/common.

[msw, 2016/07/19 19:14:08]

nit: ditto comment for SchedulePaint()?

[James Cook, 2016/07/19 19:25:13]

Done.

+  // http://crbug.com/615155
+  virtual bool IsShowingOverflowBubble() const = 0;
+
+  // Schedules a repaint for all shelf buttons.
+  virtual void SchedulePaint() = 0;
+
   // Whether the shelf view is visible.
   // TODO(jamescook): Consolidate this with GetVisibilityState().
   virtual bool IsVisible() const = 0;
 
   virtual void UpdateVisibilityState() = 0;
 
   virtual ShelfVisibilityState GetVisibilityState() const = 0;
 
   // Returns the ideal bounds of the shelf assuming it is visible.
   virtual gfx::Rect GetIdealBounds() = 0;
@@ skipping 23 matching lines @@
   // Simulates a virtual keyboard bounds update.
   virtual void SetKeyboardBoundsForTesting(const gfx::Rect& bounds) = 0;
 
  protected:
   virtual ~WmShelf() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_WM_SHELF_H_