Update json_schema_compiler to handle the Automation extension API

chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.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 ActiveDescendantAttribute = [ 'activeDescendant' ];
 var LinkAttributes = [ 'url' ];
 var DocumentAttributes = [ 'docUrl',
                            'docTitle',
                            'docLoaded',
                            'docLoadingProgress' ];
@@ skipping 231 matching lines @@
       assertFalse(attributeAttr in div);
     }
     chrome.test.succeed();
   },
 
   function testHtmlAttributes() {
     var editable = rootNode.find({ role: 'textField' });
     assertTrue(editable !== undefined);
     assertEq('text', editable.htmlAttributes.type);
     chrome.test.succeed();
-  }
+  },
+
+  function testNameFrom() {
+    var link = rootNode.find({ role: 'link' });
+    assertEq(chrome.automation.NameFromType.CONTENTS, link.nameFrom);
+    var textarea = rootNode.find({ attributes: { name: 'textarea' } });
+    assertEq(chrome.automation.NameFromType.ATTRIBUTE, textarea.nameFrom);
+    chrome.test.succeed();
+  },
 ];
 
 setUpAndRunTests(allTests, 'attributes.html');