s/\bArc\b/ARC/g for ARC related code.

chrome/browser/resources/settings/android_apps_page/android_apps_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 by the "Google Play Store" (Arc++) section
+ * @fileoverview A helper object used by the "Google Play Store" (ARC) section
  * to retrieve information about android apps.
  */
 
 /**
  * @typedef {{appReady: boolean}}
  * @see chrome/browser/ui/webui/settings/chromeos/android_apps_handler.cc
  */
 var AndroidAppsInfo;
 
 cr.define('settings', function() {
@@ skipping 32 matching lines @@
     showAndroidAppsSettings: function(keyboardAction) {
       chrome.send('showAndroidAppsSettings', [keyboardAction]);
     },
   };
 
   return {
     AndroidAppsBrowserProxy: AndroidAppsBrowserProxy,
     AndroidAppsBrowserProxyImpl: AndroidAppsBrowserProxyImpl,
   };
 });