Implementation of the Extension Activity Log UI behind a flag.

chrome/browser/resources/extensions/extension_list.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.
 
 cr.define('options', function() {
   'use strict';
 
   /**
    * A lookup helper function to find the first node that has an id (starting
    * at |node| and going up the parent chain).
@@ skipping 129 matching lines @@
         fileAccess.hidden = false;
       }
 
       // The 'Options' checkbox.
       var options = node.querySelector('.options-link');
       options.addEventListener('click', function(e) {
         chrome.send('extensionSettingsOptions', [extension.id]);
         e.preventDefault();
       });
 
+      if (extension.allow_activity) {
+        var activity = node.querySelector('.activity-link');
+        activity.href = 'chrome://extension-activity?extensionId=' +
+            extension.id;
+        activity.hidden = false;
+      }
+
       // The 'View in Web Store' checkbox.
       if (extension.homepageUrl) {
         var store = node.querySelector('.store-link');
         store.href = extension.homepageUrl;
         store.hidden = false;
       }
 
       // The 'Reload' checkbox.
       if (extension.allow_reload) {
         var reload = node.querySelector('.reload-link');
@@ skipping 84 matching lines @@
       }
 
       this.appendChild(node);
     },
   };
 
   return {
     ExtensionsList: ExtensionsList
   };
 });