[Extensions API] Remove inline enums

chrome/test/data/extensions/webui/runtime_last_error.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.
 
 // out/Debug/browser_tests --gtest_filter=ExtensionWebUITest.RuntimeLastError
 
 var success = true;
 
-if (!chrome.test.checkDeepEq({}, chrome.runtime)) {
-  console.error('Expected {}, Actual ' + JSON.stringify(chrome.runtime));
+if (!chrome.test.checkDeepEq(undefined, chrome.runtime.lastError)) {
+  console.error('Expected undefined, Actual ' +
+                JSON.stringify(chrome.runtime.lastError));
   success = false;
 }
 
 chrome.test.sendMessage('ping', function(reply) {
   var expected = {
-    'lastError': {
-      'message': 'unknown host'
-    }
+    'message': 'unknown host'
   };
-  if (!chrome.test.checkDeepEq(expected, chrome.runtime)) {
+  if (!chrome.test.checkDeepEq(expected, chrome.runtime.lastError)) {
     console.error('Expected ' + JSON.stringify(expected) + ', ' +
-                  'Actual ' + JSON.stringify(chrome.runtime));
+                  'Actual ' + JSON.stringify(chrome.runtime.lastError));
     success = false;
   }
   chrome.test.sendMessage(success ? 'true' : 'false');
 });
 
 domAutomationController.send(true);