Settings: About: Fix cros channel info.

chrome/browser/resources/settings/about_page/about_page_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.
 
 /**
  * @fileoverview A helper object used from the "About" section to interact with
  * the browser.
  */
 
 <if expr="chromeos">
 /**
  * @typedef {{
  *   text: string,
  *   url: string,
  * }}
  */
 var RegulatoryInfo;
 
 /**
  * @typedef {{
+ *   currentChannel: string,
+ *   targetChannel: string,
+ *   canChangeChannel: boolean,
+ * }}
+ */
+var ChannelInfo;
+
+/**
+ * @typedef {{
  *   arcVersion: string,
  *   osFirmware: string,
  *   osVersion: string,
  * }}
  */
 var VersionInfo;
 
 /**
  * Enumeration of all possible browser channels.
  * @enum {string}
@@ skipping 92 matching lines @@
      * Checks for available update and applies if it exists.
      */
     requestUpdate: function() {},
 
     /**
      * @param {!BrowserChannel} channel
      * @param {boolean} isPowerwashAllowed
      */
     setChannel: function(channel, isPowerwashAllowed) {},
 
-    /** @return {!Promise<!BrowserChannel>} */
-    getCurrentChannel: function() {},
-
-    /** @return {!Promise<!BrowserChannel>} */
-    getTargetChannel: function() {},
+    /** @return {!Promise<!ChannelInfo>} */
+    getChannelInfo: function() {},
 
     /** @return {!Promise<!VersionInfo>} */
     getVersionInfo: function() {},
 
     /** @return {!Promise<?RegulatoryInfo>} */
     getRegulatoryInfo: function() {},
 </if>
   };
 
   /**
@@ skipping 31 matching lines @@
     requestUpdate: function() {
       chrome.send('requestUpdate');
     },
 
     /** @override */
     setChannel: function(channel, isPowerwashAllowed) {
       chrome.send('setChannel', [channel, isPowerwashAllowed]);
     },
 
     /** @override */
-    getCurrentChannel: function() {
-      return cr.sendWithPromise('getCurrentChannel');
+    getChannelInfo: function() {
+      return cr.sendWithPromise('getChannelInfo');
     },
 
     /** @override */
-    getTargetChannel: function() {
-      return cr.sendWithPromise('getTargetChannel');
-    },
-
-    /** @override */
     getVersionInfo: function() {
       return cr.sendWithPromise('getVersionInfo');
     },
 
     /** @override */
     getRegulatoryInfo: function() {
       return cr.sendWithPromise('getRegulatoryInfo');
     }
 </if>
   };
 
   return {
     AboutPageBrowserProxy: AboutPageBrowserProxy,
     AboutPageBrowserProxyImpl: AboutPageBrowserProxyImpl,
     browserChannelToI18nId: browserChannelToI18nId,
     isTargetChannelMoreStable: isTargetChannelMoreStable,
   };
 });