Implement <webview>.addContentScript/removeContentScript API [2]

chrome/test/data/webui/inject_comm_channel_2.js

 // Copyright 2015 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.
 
 var embedder = null;
 
 function reportConnected_request() {
-  window.console.log('Reporting connection to embedder.');
   var msg = ['connected_response'];
   embedder.postMessage(JSON.stringify(msg), '*');
 }
 
 window.addEventListener('message', function(e) {
   embedder = e.source;
   var data = JSON.parse(e.data);
   switch (data[0]) {
     case 'connect_request': {
       reportConnected_request();
       break;
     }
   }
 });
-
-
-window.console.log('Script has been successfully injected.');