[Offline Pages] Add network status, save request textbox, and offline url link to offline internals…

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 77 matching lines @@
      *     logs are retrieved.
      */
     getEventLogs: function() {},
 
     /**
      * Gets the state of logging (on/off).
      * @return {!Promise<!IsLogging>} A promise firing when the state
      *     is retrieved.
      */
     getLoggingState: function() {},
+
+    /**
+     * Adds the given url to the background loader queue.
+     * @param {string} url Url of the page to load later.
+     * @return {!Promise<boolean>} A promise firing after added to queue.

[dpapad, 2016/07/21 18:57:25]

What does the boolean indicate? Please explain in the comment.

[chili, 2016/07/21 23:57:20]

Done.

+     */
+    addToRequestQueue: function(url) {},
+
+    /**
+     * Gets the current network status in string form.
+     * @return {!Promise<!string>} A promise firing when the network status

[dpapad, 2016/07/21 18:57:25]

"!string" is same as "string", since primitive types are considered non-nullable
by default by the Closule compiler. We usually omit the "!" in such cases.

[chili, 2016/07/21 23:57:20]

Done.

+     *     is retrieved.
+     */
+    getNetworkStatus: function() {},
   };
 
   /**
    * @constructor
    * @implements {offlineInternals.OfflineInternalsBrowserProxy}
    */
   function OfflineInternalsBrowserProxyImpl() {}
   cr.addSingletonGetter(OfflineInternalsBrowserProxyImpl);
 
   OfflineInternalsBrowserProxyImpl.prototype = {
@@ skipping 28 matching lines @@
     },
 
     /** @override */
     getEventLogs: function() {
       return cr.sendWithPromise('getEventLogs');
     },
 
     /** @override */
     getLoggingState: function() {
       return cr.sendWithPromise('getLoggingState');
-    }
+    },
+
+    /** @override */
+    addToRequestQueue: function(url) {
+      return cr.sendWithPromise('addToRequestQueue', url);
+    },
+
+    /** @override */
+    getNetworkStatus: function() {
+      return cr.sendWithPromise('getNetworkStatus');
+    },
   };
 
   return {
     OfflineInternalsBrowserProxy: OfflineInternalsBrowserProxy,
     OfflineInternalsBrowserProxyImpl: OfflineInternalsBrowserProxyImpl
   };
 });