ash: Minor cleanup, move more files from launcher to shelf.

ash/shelf/overflow_bubble.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 ASH_LAUNCHER_OVERFLOW_BUBBLE_H_
-#define ASH_LAUNCHER_OVERFLOW_BUBBLE_H_
+#ifndef ASH_SHELF_OVERFLOW_BUBBLE_H_
+#define ASH_SHELF_OVERFLOW_BUBBLE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace views {
 class View;
 }
 
 namespace ash {
@@ skipping 25 matching lines @@
 
   views::View* bubble_;  // Owned by views hierarchy.
   LauncherView* launcher_view_;  // Owned by |bubble_|.
 
   DISALLOW_COPY_AND_ASSIGN(OverflowBubble);
 };
 
 }  // namespace internal
 }  // namespace ash
 
-#endif  // ASH_LAUNCHER_OVERFLOW_BUBBLE_H_
+#endif  // ASH_SHELF_OVERFLOW_BUBBLE_H_