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

chrome/browser/resources/uber/uber_page_manager_observer.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.
 
 cr.define('uber', function() {
   var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * A PageManager observer that updates the uber page.
    * @constructor
-   * @implements {PageManager.Observer}
+   * @implements {cr.ui.pageManager.PageManager.Observer}
    */
   function PageManagerObserver() {}
 
   PageManagerObserver.prototype = {
     __proto__: PageManager.Observer.prototype,
 
     /**
      * Informs the uber page when a top-level overlay is opened or closed.
-     * @param {Page} page The page that is being shown or was hidden.
+     * @param {cr.ui.pageManager.Page} page The page that is being shown or was
+     *     hidden.
      * @override
      */
     onPageVisibilityChanged: function(page) {
       if (PageManager.isTopLevelOverlay(page)) {
         if (page.visible)
           uber.invokeMethodOnParent('beginInterceptingEvents');
         else
           uber.invokeMethodOnParent('stopInterceptingEvents');
       }
     },
@@ skipping 18 matching lines @@
       var historyFunction = replace ? uber.replaceState : uber.pushState;
       historyFunction({}, path);
     },
   };
 
   // Export
   return {
     PageManagerObserver: PageManagerObserver
   };
 });