Revert of [Extensions] Finish freezing schema

chrome/test/data/extensions/api_test/stubs_app/background.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 apiFeatures = chrome.test.getApiFeatures();
 
 // Returns a list of all chrome.foo.bar API paths available to an app.
 function getApiPaths() {
   var apiPaths = [];
   var apiDefinitions = chrome.test.getApiDefinitions();
   apiDefinitions.forEach(function(module) {
     var namespace = module.namespace;
     var apiFeature = apiFeatures[namespace];
     if (Array.isArray(apiFeature))
       apiFeature = apiFeatures[namespace][0];
 
     // Skip internal APIs.
     if (apiFeature.internal)
       return;
 
     // Get the API functions and events.
     [module.functions, module.events].forEach(function(section) {
       if (typeof(section) == "undefined")
         return;
-      // Pieces of the module don't inherit from Array/Object.
-      Array.prototype.forEach.call(section, function(entry) {
+      section.forEach(function(entry) {
         apiPaths.push(namespace + "." + entry.name);
       });
     });
 
     // Get the API properties.
     if (module.properties) {
       Object.getOwnPropertyNames(module.properties).forEach(function(propName) {
         apiPaths.push(namespace + "." + propName);
       });
     }
@@ skipping 37 matching lines @@
     console.log("failures on:\n" + failures.join("\n") +
         "\n\n\n>>> See comment in stubs_apitest.cc for a " +
         "hint about fixing this failure.\n\n");
     chrome.test.notifyFail("failed");
   }
 }
 
 chrome.app.runtime.onLaunched.addListener(function() {
   doTest();
 });