chromeos: Move files in //ash/common to //ash

ash/key_event_watcher.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_KEY_EVENT_WATCHER_H_
-#define ASH_COMMON_KEY_EVENT_WATCHER_H_
+#ifndef ASH_KEY_EVENT_WATCHER_H_
+#define ASH_KEY_EVENT_WATCHER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "ui/base/accelerators/accelerator.h"
 
 namespace ui {
 class KeyEvent;
@@ skipping 22 matching lines @@
   bool HandleKeyEvent(const ui::KeyEvent& event);
 
  private:
   std::map<ui::Accelerator, KeyEventCallback> callback_map_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyEventWatcher);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_KEY_EVENT_WATCHER_H_
+#endif  // ASH_KEY_EVENT_WATCHER_H_