Revert of Implement inline signin with iframe

chrome/browser/resources/gaia_auth/inline_injected.js

+// Copyright 2013 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 Code injected into Gaia sign in page for inline sign in flow.
+ * On load stop, it receives a message from the embedder extension with a
+ * JavaScript reference to the embedder window. Then upon submit of the sign
+ * in form, it posts the username and password to the embedder window.
+ * Prototype Only.
+ */
+
+(function() {
+  var extWindow;
+
+  var $ = function(id) { return document.getElementById(id); };
+  var gaiaLoginForm = $('gaia_loginform');
+
+  var onMessage = function(e) {
+    extWindow = e.source;
+  };
+  window.addEventListener('message', onMessage);
+
+  var onLoginSubmit = function(e) {
+    if (!extWindow) {
+      console.log('ERROR: no initial message received from the gaia ext');
+      e.preventDefault();
+      return;
+    }
+
+    var checkboxElement = $('advanced-box');
+    var chooseWhatToSync = checkboxElement && checkboxElement.checked;
+    var msg = {method: 'attemptLogin',
+               email: gaiaLoginForm['Email'].value,
+               password: gaiaLoginForm['Passwd'].value,
+               attemptToken: new Date().getTime(),
+               chooseWhatToSync: chooseWhatToSync};
+
+    extWindow.postMessage(msg, 'chrome://chrome-signin');
+    console.log('Credentials sent');
+
+    return;
+  };
+  // Overrides the submit handler for the gaia login form.
+  gaiaLoginForm.onsubmit = onLoginSubmit;
+})();