Revert "chromeos: Move files in //ash/common to //ash, part 3"

chrome/browser/resources/settings/device_page/device_page_browser_proxy.js

 // 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.
 
 /** @fileoverview A helper object used for testing the Device page. */
 cr.exportPath('settings');
 
 /**
- * Mirrors DeviceType from ash/system/power/power_status.h.
+ * Mirrors DeviceType from ash/common/system/chromeos/power/power_status.h.
  * @enum {number}
  */
 settings.PowerDeviceType = {
   DEDICATED_CHARGER: 0,
   DUAL_ROLE_USB: 1,
 };
 
 /**
  * @typedef {{
  *   id: string,
@@ skipping 144 matching lines @@
     setPreferredNoteTakingApp: function(appId) {
       chrome.send('setPreferredNoteTakingApp', [appId]);
     },
   };
 
   return {
     DevicePageBrowserProxy: DevicePageBrowserProxy,
     DevicePageBrowserProxyImpl: DevicePageBrowserProxyImpl,
   };
 });