Add relaunch prompt to linux help page.

chrome/browser/resources/help/help.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.
 
 <include src="../uber/uber_utils.js">
 
 cr.define('help', function() {
   /**
    * Encapsulated handling of the help page.
    */
@@ skipping 94 matching lines @@
       } else if (status == 'nearly_updated') {
         this.setUpdateImage_('up-to-date');
         $('update-status').innerHTML =
             loadTimeData.getString('updateAlmostDone');
       } else if (status == 'updated') {
         this.setUpdateImage_('up-to-date');
         $('update-status').innerHTML = loadTimeData.getString('upToDate');
       } else if (status == 'failed') {
         this.setUpdateImage_('failed');
         $('update-status').innerHTML = message;
-      } else if (status == 'disabled') {
-        var container = $('update-status-container');
-        if (container)
-          container.hidden = true;
-        return;
       }
 
-      if (!cr.isMac)
-        $('update-percentage').hidden = status != 'updating';
+      var container = $('update-status-container');
+      if (container) {
+        container.hidden = status == 'disabled';
+        $('relaunch').hidden = status != 'nearly_updated';
 
-      $('relaunch').hidden = status != 'nearly_updated';
+        if (!cr.isMac)
+          $('update-percentage').hidden = status != 'updating';
+      }
     },
 
     /**
      * @private
      */
     setProgress_: function(progress) {
       $('update-percentage').innerHTML = progress + '%';
     },
 
     /**
@@ skipping 133 matching lines @@
     HelpPage: HelpPage
   };
 });
 
 /**
  * onload listener to initialize the HelpPage.
  */
 window.onload = function() {
   help.HelpPage.getInstance().initialize();
 };