mash: Make system tray bubble close when another window is activated

ui/views/bubble/tray_bubble_view.h

 // Copyright (c) 2012 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 UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_
 #define UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/mouse_watcher.h"
 #include "ui/views/views_export.h"
 
-// Specialized bubble view for bubbles associated with a tray icon (e.g. the
-// Ash status area). Mostly this handles custom anchor location and arrow and
-// border rendering. This also has its own delegate for handling mouse events
-// and other implementation specific details.
-
 namespace ui {
 class LocatedEvent;
 }
 
 namespace views {
 class View;
 class Widget;
 }
 
 namespace views {
 
 namespace internal {
 class TrayBubbleBorder;
 class TrayBubbleContentMask;
 }
 
+// Specialized bubble view for bubbles associated with a tray icon (e.g. the
+// Ash status area). Mostly this handles custom anchor location and arrow and
+// border rendering. This also has its own delegate for handling mouse events
+// and other implementation specific details.
 class VIEWS_EXPORT TrayBubbleView : public views::BubbleDelegateView,
                                     public views::MouseWatcherListener {
  public:
   // AnchorType differentiates between bubbles that are anchored on a tray
   // element (ANCHOR_TYPE_TRAY) and display an arrow, or that are floating on
   // the screen away from the tray (ANCHOR_TYPE_BUBBLE).
   enum AnchorType {
     ANCHOR_TYPE_TRAY,
     ANCHOR_TYPE_BUBBLE,
   };
@@ skipping 155 matching lines @@
 
   // Used to find any mouse movements.
   scoped_ptr<MouseWatcher> mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBubbleView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_