Return operation name in prefetch request callback and add internal page hookup

chrome/browser/resources/offline_pages/offline_internals.js

 // Copyright 2016 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('offlineInternals', function() {
   'use strict';
 
   /** @type {!Array<OfflinePage>} */
   var offlinePages = [];
 
@@ skipping 160 matching lines @@
   }
 
   /**
    * Callback when requests are deleted.
    */
   function requestsDeleted(status) {
     $('request-queue-actions-info').textContent = status;
     browserProxy.getRequestQueue().then(fillRequestQueue);
   }
 
+   /**
+   * Callback for prefetch actions.
+   * @param {string} info The result of performing the prefetch actions.
+   */
+  function setPrefetchResult(info) {
+    $('prefetch-actions-info').textContent = info;
+  }
+
   /**
    * Downloads all the stored page and request queue information into a file.
    * TODO(chili): Create a CSV writer that can abstract out the line joining.
    */
   function download() {
     var json = JSON.stringify({
       offlinePages: offlinePages,
       savePageRequests: savePageRequests
     }, null, 2);
 
@@ skipping 119 matching lines @@
                   browserProxy.getRequestQueue().then(fillRequestQueue);
                 }
               } else {
                 $('save-url-state').textContent +=
                     saveUrls[i] + ' failed to be added to queue.\n';
               }
             });
       }
     };
     $('schedule-nwake').onclick = function() {
-      browserProxy.scheduleNwake();
+      browserProxy.scheduleNwake().then(setPrefetchResult);
     };
     $('cancel-nwake').onclick = function() {
-      browserProxy.cancelNwake();
+      browserProxy.cancelNwake().then(setPrefetchResult);
+    };
+    $('generate-page-bundle').onclick = function() {
+      browserProxy.generatePageBundle($('generate-urls').value).
+          then(setPrefetchResult);
+    };
+    $('get-operation').onclick = function() {
+      browserProxy.getOperation($('operation-name').value).
+          then(setPrefetchResult);
     };
     if (!incognito)
       refreshAll();
   }
 
   // Return an object with all of the exports.
   return {
     initialize: initialize,
   };
 });
 
 document.addEventListener('DOMContentLoaded', offlineInternals.initialize);