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

chrome/browser/resources/offline_pages/offline_internals_browser_proxy.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.
 
 /**
  * @typedef {{
  *   onlineUrl: string,
  *   creationTime: number,
  *   id: string,
  *   namespace: string,
@@ skipping 113 matching lines @@
      * Schedules the default NWake task.
      * @return {!Promise} A promise firing when the task has been scheduled.
      */
     scheduleNwake: function() {},
 
     /**
      * Cancels NWake task.
      * @return {!Promise} A promise firing when the task has been cancelled.
      */
     cancelNwake: function() {},
+
+    /**
+     * Sends and processes a request to generate page bundle.
+     * @param {string} urls A list of comma-separated URLs.
+     * @return {!Promise<string>} A string describing the result.
+     */
+    generatePageBundle: function(urls) {},
+
+    /**
+     * Sends and processes a request to get operation.
+     * @param {string} name Name of operation.
+     * @return {!Promise<string>} A string describing the result.
+     */
+    getOperation: function(name) {},
   };
 
   /**
    * @constructor
    * @implements {offlineInternals.OfflineInternalsBrowserProxy}
    */
   function OfflineInternalsBrowserProxyImpl() {}
   cr.addSingletonGetter(OfflineInternalsBrowserProxyImpl);
 
   OfflineInternalsBrowserProxyImpl.prototype = {
@@ skipping 54 matching lines @@
 
     /** @override */
     scheduleNwake: function() {
       return cr.sendWithPromise('scheduleNwake');
     },
 
     /** @override */
     cancelNwake: function() {
       return cr.sendWithPromise('cancelNwake');
     },
+
+    /** @override */
+    generatePageBundle: function(urls) {
+      return cr.sendWithPromise('generatePageBundle', urls);
+    },
+
+    /** @override */
+    getOperation: function(name) {
+      return cr.sendWithPromise('getOperation', name);
+    },
   };
 
   return {
     OfflineInternalsBrowserProxy: OfflineInternalsBrowserProxy,
     OfflineInternalsBrowserProxyImpl: OfflineInternalsBrowserProxyImpl
   };
 });