Moves around mojo js bindings code

mojo/bindings/js/waiting_callback.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_WAITING_CALLBACK_H_
-#define MOJO_APPS_JS_BINDINGS_WAITING_CALLBACK_H_
+#ifndef MOJO_BINDINGS_JS_WAITING_CALLBACK_H_
+#define MOJO_BINDINGS_JS_WAITING_CALLBACK_H_
 
 #include "gin/handle.h"
 #include "gin/runner.h"
 #include "gin/wrappable.h"
 #include "mojo/public/system/async_waiter.h"
 
 namespace mojo {
 namespace js {
 
 class WaitingCallback : public gin::Wrappable<WaitingCallback> {
@@ skipping 22 matching lines @@
 
   base::WeakPtr<gin::Runner> runner_;
   MojoAsyncWaitID wait_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WaitingCallback);
 };
 
 }  // namespace js
 }  // namespace mojo
 
-#endif  // MOJO_APPS_JS_BINDINGS_WAITING_CALLBACK_H_
+#endif  // MOJO_BINDINGS_JS_WAITING_CALLBACK_H_