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

mojo/edk/js/threading.h

 // 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.
 
-#ifndef MOJO_APPS_JS_BINDINGS_THREADING_H_
-#define MOJO_APPS_JS_BINDINGS_THREADING_H_
+#ifndef MOJO_EDK_JS_THREADING_H_
+#define MOJO_EDK_JS_THREADING_H_
 
 #include "gin/public/wrapper_info.h"
 #include "v8/include/v8.h"
 
 namespace mojo {
-namespace apps {
+namespace js {
 
 class Threading {
  public:
   static const char kModuleName[];
   static v8::Local<v8::Value> GetModule(v8::Isolate* isolate);
  private:
   Threading();
 };
 
-}  // namespace apps
+}  // namespace js
 }  // namespace mojo
 
-#endif  // MOJO_APPS_JS_BINDINGS_THREADING_H_
+#endif  // MOJO_EDK_JS_THREADING_H_