chromeos: Move files in //ash/common to //ash, part 2

ash/shelf/ink_drop_button_listener.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_INK_DROP_BUTTON_LISTENER_H_
-#define ASH_COMMON_SHELF_INK_DROP_BUTTON_LISTENER_H_
+#ifndef ASH_SHELF_INK_DROP_BUTTON_LISTENER_H_
+#define ASH_SHELF_INK_DROP_BUTTON_LISTENER_H_
 
 #include "ash/ash_export.h"
 
 namespace ui {
 class Event;
 }
 
 namespace views {
 class Button;
 class InkDrop;
@@ skipping 14 matching lines @@
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event,
                              views::InkDrop* ink_drop) = 0;
 
  protected:
   virtual ~InkDropButtonListener() {}
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SHELF_INK_DROP_BUTTON_LISTENER_H_
+#endif  // ASH_SHELF_INK_DROP_BUTTON_LISTENER_H_