Simple OAuth1 implementation based on http://code.google.com/chrome/extensions/tut_oauth.html.

remoting/webapp/me2mom/remoting.js

 // Copyright (c) 2011 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.
 
 var chromoting = {};
 XMPP_TOKEN_NAME = 'xmpp_token';
 OAUTH2_TOKEN_NAME = 'oauth2_token';
 
+function updateAuthStatus() {
+  var oauth1_status = document.getElementById('oauth1_status');
+  if (chromoting.oauth.hasToken()) {
+    oauth1_status.innerText = 'OK';
+    oauth1_status.style.color='green';
+  } else {
+    oauth1_status.innerText = 'Unauthorized';
+    oauth1_status.style.color='red';
+  }
+}
+
+function authorizeOAuth1() {
+  chromoting.oauth.authorize(updateAuthStatus);
+}
+
+function clearOAuth1() {
+  chromoting.oauth.clearTokens();
+  updateAuthStatus();
+}
+
 function initAuthPanel_() {
-  document.getElementById('oauth2_token').value =
-      chromoting.getItem(OAUTH2_TOKEN_NAME);
   document.getElementById('xmpp_token').value =
       chromoting.getItem(XMPP_TOKEN_NAME);
+  updateAuthStatus();
 }
 
 function initBackgroundFuncs_() {
   chromoting.getItem = chrome.extension.getBackgroundPage().getItem;
   chromoting.setItem = chrome.extension.getBackgroundPage().setItem;
+  chromoting.oauth = chrome.extension.getBackgroundPage().oauth;
 }
 
 function saveCredentials(form) {
   chromoting.setItem(OAUTH2_TOKEN_NAME, form['oauth2_token'].value);
   chromoting.setItem(XMPP_TOKEN_NAME, form['xmpp_token'].value);
 }
 
 function init() {
   initBackgroundFuncs_();
   initAuthPanel_();
@@ skipping 50 matching lines @@
         setGlobalMode('session');
       },
       3000);
 }
 
 function cancelConnect() {
   chromoting.accessCode = '';
   setClientMode('unconnected');
   clearTimeout(chromoting.clientTimer);
 }