Revert of Inline sign in extracts gaia id from HTTP header and seeds account tracker

chrome/browser/resources/gaia_auth/success.js

Index: chrome/browser/resources/gaia_auth/success.js
diff --git a/chrome/browser/resources/gaia_auth/success.js b/chrome/browser/resources/gaia_auth/success.js
new file mode 100644
index 0000000000000000000000000000000000000000..54ed7fac614cb744125d07c20d37e0ccdd70da78
--- /dev/null
+++ b/chrome/browser/resources/gaia_auth/success.js
@@ -0,0 +1,16 @@
+// Copyright (c) 2012 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.
+
+function load() {
+  var params = getUrlSearchParams(location.search);
+  var msg = {
+    'method': 'confirmLogin',
+    'attemptToken': params['attemptToken']
+  };
+  window.parent.postMessage(msg,
+          'chrome-extension://mfffpogegjflfpflabcdkioaeobkgjik/main.html');
+}
+
+document.addEventListener('DOMContentLoaded', load);
+