Move mojo/apps/js tests et al to mojo/edk/js/test,tests

mojo/public/js/threading.js

+// 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] }