1 files changed, 37 insertions, 0 deletions
diff --git a/chrome/browser/resources/options/about_page.js b/chrome/browser/resources/options/about_page.js
index a6490a3..8276057 100644
--- a/chrome/browser/resources/options/about_page.js
+++ b/chrome/browser/resources/options/about_page.js
@@ -32,6 +32,15 @@ cr.define('options', function() {
         $('aboutPageMoreInfo').classList.remove('hidden');
       };
 
+      if (cr.commandLine.options['--bwsi']) {
+        $('channelSelect').disabled = true;
+      } else {
+        $('channelSelect').onchange = function(event) {
+          var channel = event.target.value;
+          chrome.send('SetReleaseTrack', [channel]);
+        };
+      }
+
       // Notify the handler that the page is ready.
       chrome.send('PageReady');
     },
@@ -49,6 +58,26 @@ cr.define('options', function() {
     updateEnable_: function(enable) {
       $('checkNow').disabled = !enable;
     },
+
+    // Updates the selected option in 'channelSelect' <select> element.
+    updateSelectedOption_: function(value) {
+      var options = $('channelSelect').querySelectorAll('option');
+      for (var i = 0; i < options.length; i++) {
+        var option = options[i];
+        if (option.value == value) {
+          option.selected = true;
+        }
+      }
+    },
+
+    // Changes the "check now" button to "restart now" button.
+    changeToRestartButton_: function() {
+      $('checkNow').textContent = localStrings.getString('restart_now');
+      $('checkNow').disabled = false;
+      $('checkNow').onclick = function(event) {
+        chrome.send('RestartNow');
+      };
+    },
   };
 
   AboutPage.updateOSVersionCallback = function(versionString) {
@@ -63,10 +92,18 @@ cr.define('options', function() {
     AboutPage.getInstance().updateEnable_(enable);
   };
 
+  AboutPage.updateSelectedOptionCallback = function(value) {
+    AboutPage.getInstance().updateSelectedOption_(value);
+  };
+
   AboutPage.setUpdateImage = function(state) {
     $('updateIcon').className= 'update-icon ' + state;
   };
 
+  AboutPage.changeToRestartButton = function() {
+    AboutPage.getInstance().changeToRestartButton_();
+  };
+
   // Export
   return {
     AboutPage: AboutPage