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

ash/focus_cycler.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_COMMON_FOCUS_CYCLER_H_
-#define ASH_COMMON_FOCUS_CYCLER_H_
+#ifndef ASH_FOCUS_CYCLER_H_
+#define ASH_FOCUS_CYCLER_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
 
 namespace views {
 class Widget;
 }  // namespace views
 
@@ skipping 29 matching lines @@
   std::vector<views::Widget*> widgets_;
 
   // See description above getter.
   views::Widget* widget_activating_;
 
   DISALLOW_COPY_AND_ASSIGN(FocusCycler);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_FOCUS_CYCLER_H_
+#endif  // ASH_FOCUS_CYCLER_H_