Help: Hook up the 'Get help' button.

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">
 <include src="more_info_overlay.js">
 
 cr.define('help', function() {
   var localStrings = new LocalStrings();
 
@@ skipping 19 matching lines @@
 
       $('product-license').innerHTML = localStrings.getString('productLicense');
 
       var productTOS = $('product-tos');
       if (productTOS)
         productTOS.innerHTML = localStrings.getString('productTOS');
 
       var moreInfoOverlay = help.MoreInfoOverlay.getInstance();
       moreInfoOverlay.initializePage();
 
-      var self = this;
-      var moreInfo = $('more-info');
-      if (moreInfo) {
-        moreInfo.onclick = function() {
-          self.showOverlay_($('more-info-overlay'));
-        };
-      }
+      $('get-help').onclick = chrome.send.bind(chrome, 'openHelpPage');
+      $('report-issue').onclick =
+          chrome.send.bind(chrome, 'openFeedbackDialog');
 
-      var reportIssue = $('report-issue');
-      if (reportIssue)
-        reportIssue.onclick = this.reportAnIssue_.bind(this);
+      this.maybeSetOnClick_($('more-info'),
+          this.showOverlay_.bind(this, $('more-info-overlay')));
 
-      var promote = $('promote');
-      if (promote) {
-        promote.onclick = function() {
-          chrome.send('promoteUpdater');
-        };
-      }
-
-      var relaunch = $('relaunch');
-      if (relaunch) {
-        relaunch.onclick = function() {
-          chrome.send('relaunchNow');
-        };
-      }
+      this.maybeSetOnClick_($('promote'),
+          chrome.send.bind(chrome, 'promoteUpdater'));
+      this.maybeSetOnClick_($('relaunch'),
+          chrome.send.bind(chrome, 'relaunchNow'));
 
       // Attempt to update.
       chrome.send('onPageLoaded');
     },
 
     /**
+     * Assigns |method| to the onclick property of |el| if |el| exists.
      * @private
      */
-    reportAnIssue_: function() {
-      chrome.send('openFeedbackDialog');
+    maybeSetOnClick_: function(el, method) {
+      if (el)
+        el.onclick = method;
     },
 
     /**
      * @private
      */
     setUpdateImage_: function(state) {
       $('update-status-icon').className = 'update-icon ' + state;
     },
 
     /**
@@ skipping 157 matching lines @@
 
   // Export
   return {
     HelpPage: HelpPage
   };
 });
 
 window.onload = function() {
   help.HelpPage.getInstance().initialize();
 };