Revert of Update json_schema_compiler to handle the Automation extension API

chrome/test/data/extensions/api_test/automation/tests/generated/generated_trees.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 assertEq = chrome.test.assertEq;
 var assertFalse = chrome.test.assertFalse;
 var assertTrue = chrome.test.assertTrue;
 var deepEq = chrome.test.checkDeepEq;
 
 var EventType = chrome.automation.EventType;
-var assertEqualEvent = EventType.LOAD_COMPLETE;
-var assertNotEqualEvent = EventType.ACTIVEDESCENDANTCHANGED;
-var testCompleteEvent = EventType.BLUR;
+var assertEqualEvent = EventType.loadComplete;
+var assertNotEqualEvent = EventType.activedescendantchanged;
+var testCompleteEvent = EventType.blur;
 
 var allTests = [
   function testDeserializeGeneratedTrees() {
     var tree0, tree1;
     function onTree1Retrieved(rootNode) {
       tree1 = rootNode;
-      tree1.addEventListener('destroyed', function() {
+      tree1.addEventListener(EventType.destroyed, function() {
         chrome.automation.getTree(1, onTree1Retrieved);
       });
     }
     chrome.automation.getTree(1, onTree1Retrieved);
 
     function onTree0Retrieved(rootNode) {
       tree0 = rootNode;
       tree0.addEventListener(assertEqualEvent, function() {
         assertEq(tree0.toString(), tree1.toString(),
                  'tree0 should be equal to tree1 after loadComplete');
         tree0.doDefault();
       });
       tree0.addEventListener(assertNotEqualEvent, function() {
         assertFalse(tree0.toString() == tree1.toString(),
                     'tree0 should not be equal to tree1');
       });
-      tree0.addEventListener('destroyed', function() {
+      tree0.addEventListener(EventType.destroyed, function() {
         chrome.automation.getTree(0, onTree0Retrieved);
       });
       tree0.addEventListener(testCompleteEvent, function() {
         chrome.test.succeed();
       });
       tree0.doDefault();
     }
     chrome.automation.getTree(0, onTree0Retrieved);
   }
 ];
 
 chrome.test.runTests(allTests);