Refactor pdf_scripting_api.js to remove the PDFMessagingHost in OOP PDF

chrome/test/data/pdf/basic_test.js

 // Copyright 2014 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 tests = [
   /**
    * Test that some key elements exist and that they have the appropriate
    * constructor name. This verifies that polymer is working correctly.
    */
   function testHasElements() {
     var elementNames = [
       'viewer-toolbar',
       'viewer-page-indicator',
       'viewer-progress-bar',
       'viewer-password-screen',
       'viewer-error-screen'
     ];
     for (var i = 0; i < elementNames.length; i++) {
       var elements = document.querySelectorAll(elementNames[i]);
       chrome.test.assertEq(1, elements.length);
       var element = elements[0];
       chrome.test.assertTrue(
           String(element.constructor).indexOf(elementNames[i]) != -1);
     }
+    chrome.test.succeed();
   },
 
   /**
    * Test that the plugin element exists and is navigated to the correct URL.
    */
   function testPluginElement() {
     var plugin = document.getElementById('plugin');
     chrome.test.assertEq('object', plugin.localName);
 
     chrome.test.assertTrue(
         plugin.getAttribute('src').indexOf('/pdf/test.pdf') != -1);
+    chrome.test.succeed();
   },
 ];
 
-function runTests() {
-  for (var i = 0; i < tests.length; ++i) {
-    console.log('Running: ' + tests[i].name);
-    tests[i]();
-  }
-  chrome.test.notifyPass();
-}
-
-runTests();
+chrome.test.runTests(tests);