text: 'use strict';
  /*******************************************************************************
   * Copyright 2012 Pawel Psztyc
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   ******************************************************************************/
  
  /* globals chrome, gwt */
  //mock gcm API
  if (!chrome.gcm) {
    let functions = 'chrome.gcm.register(senderIds,callback);' +
      'chrome.gcm.unregister(callback);' +
      'chrome.gcm.send(message,callback);' +
      'chrome.gcm.onMessage.addListener(callback);' +
      'chrome.gcm.onMessagesDeleted.addListener(callback);' +
      'chrome.gcm.onSendError.addListener(callback)';
    gwt.dev.chrome.registerAPI(functions.split(';'));
  }
  