Settings: About: Fix cros channel info.

chrome/browser/resources/settings/about_page/about_page.js

Index: chrome/browser/resources/settings/about_page/about_page.js
diff --git a/chrome/browser/resources/settings/about_page/about_page.js b/chrome/browser/resources/settings/about_page/about_page.js
index 966bee8e2b605b9cc5428fc902e22d02d78e5ed7..a4439d6688a039c848b304e4e607088627506b90 100644
--- a/chrome/browser/resources/settings/about_page/about_page.js
+++ b/chrome/browser/resources/settings/about_page/about_page.js
@@ -63,13 +63,9 @@ Polymer({
       this.targetChannel_ = e.detail;
     }.bind(this));
 
-    Promise.all([
-      this.aboutBrowserProxy_.getCurrentChannel(),
-      this.aboutBrowserProxy_.getTargetChannel(),
-    ]).then(function(channels) {
-      this.currentChannel_ = channels[0];
-      this.targetChannel_ = channels[1];
-
+    this.aboutBrowserProxy_.getChannelInfo().then(function(info) {
+      this.currentChannel_ = info.currentChannel;
+      this.targetChannel_ = info.targetChannel;
       this.startListening_();
     }.bind(this));