GTTF: convert some tests in chrome to use EmbeddedTestServer patch nr 1

chrome/test/data/extensions/api_test/executescript/file_after_close/test.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.
 
 var server = 'http://b.com:PORT';
-var relativePath = '/files/extensions/api_test/executescript/file_after_close/';
+var relativePath = '/extensions/api_test/executescript/file_after_close/';
 var extensionPage = chrome.extension.getURL('extension_page.html');
 var webPage1 = server + relativePath + 'web_page1.html';
 var webPage2 = server + relativePath + 'web_page2.html';
 var extensionPageOpened = false;
 
 var listener = function(tabId, changeInfo, tab) {
   if (changeInfo.status != 'complete')
     return;
 
   // web_page1 loaded, open extension page to inject script
@@ skipping 10 matching lines @@
   }
 };
 
 chrome.tabs.onUpdated.addListener(listener);
 chrome.test.getConfig(function(config) {
   webPage1 = webPage1.replace(/PORT/, config.testServer.port);
   webPage2 = webPage2.replace(/PORT/, config.testServer.port);
   chrome.tabs.create({ url: webPage1 });
 });