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

chrome/test/data/extensions/api_test/content_scripts/fragment/background.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 failed = false;
 
 function did_fail() {
   return failed;
 }
 
 function set_failed(val) {
   failed = val;
 }
 
 function fail() {
   set_failed(true);
   if (!did_fail()) {
     chrome.test.fail();
   }
 }
 
-var test_url = "http://localhost:PORT/files/extensions/test_file.html";
+var test_url = "http://localhost:PORT/extensions/test_file.html";
 
 // For running in normal chrome (ie outside of the browser_tests environment),
 // set debug to 1 here.
 var debug = 0;
 if (debug) {
   test_url = "http://www.google.com";
   chrome.test.log = function(msg) { console.log(msg) };
   chrome.test.runTests = function(tests) {
     for (var i in tests) {
       tests[i]();
@@ skipping 36 matching lines @@
 }
 
 if (debug) {
   runTests();
 } else {
   chrome.test.getConfig(function(config) {
     test_url = test_url.replace(/PORT/, config.testServer.port);
     runTests();
   });
 }