Typecheck chrome://help using CompilerPass.java, everything except dependency to options

ui/webui/resources/js/cr.js

 // Copyright (c) 2012 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.
 
 /**
  * The global object.
  * @type {!Object}
  * @const
  */
 var global = this;
@@ skipping 280 matching lines @@
     };
   }
 
   return {
     addSingletonGetter: addSingletonGetter,
     createUid: createUid,
     define: define,
     defineProperty: defineProperty,
     dispatchPropertyChange: dispatchPropertyChange,
     dispatchSimpleEvent: dispatchSimpleEvent,
+    exportPath: exportPath,
     getUid: getUid,
     PropertyKind: PropertyKind,
 
     get doc() {
       return document;
     },
 
     /** Whether we are using a Mac or not. */
     get isMac() {
       return /Mac/.test(navigator.platform);
@@ skipping 14 matching lines @@
       return /Linux/.test(navigator.userAgent);
     },
 
     /** Whether this uses the views toolkit or not. */
     get isViews() {
       return typeof chrome.getVariableValue == 'function' &&
           /views/.test(chrome.getVariableValue('toolkit'));
     },
   };
 }();