Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480

mojo/public/js/threading.js

Index: mojo/public/js/threading.js
diff --git a/mojo/public/js/threading.js b/mojo/public/js/threading.js
new file mode 100644
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+++ b/mojo/public/js/threading.js
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+// Copyright 2014 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.
+
+// Module "mojo/public/js/threading"
+//
+// Note: This file is for documentation purposes only. The code here is not
+// actually executed. The real module is implemented natively in Mojo.
+//
+// This module provides a way for a Mojo application implemented in JS
+// to exit by quitting the current message loop. This module is not
+// intended to be used by Mojo JS application started by the JS
+// content handler.
+
+while (1);
+
+/**
+ * Quits the current message loop, esssentially:
+ * base::MessageLoop::current()->QuitNow();
+*/
+function quit() { [native code] }