Moved mobile activation into its own modal dialog

chrome/browser/resources/shared/js/cr/ui/dialogs.js

 // Copyright (c) 2011 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.
 
 cr.define('cr.ui.dialogs', function() {
 
   function BaseDialog(parentNode) {
     this.parentNode_ = parentNode;
     this.document_ = parentNode.ownerDocument;
 
@@ skipping 215 matching lines @@
       this.onOk_(this.getValue());
   };
 
   return {
     BaseDialog: BaseDialog,
     AlertDialog: AlertDialog,
     ConfirmDialog: ConfirmDialog,
     PromptDialog: PromptDialog
   };
 });