[Mojo] Move JS bindings out of public

mojo/public/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_PUBLIC_BINDINGS_JS_WAITING_CALLBACK_H_
-#define MOJO_PUBLIC_BINDINGS_JS_WAITING_CALLBACK_H_
-
-#include "gin/runner.h"
-#include "gin/wrappable.h"
-#include "mojo/public/bindings/lib/bindings_support.h"
-
-namespace mojo {
-namespace js {
-
-class WaitingCallback : public gin::Wrappable,
-                        public BindingsSupport::AsyncWaitCallback {
- public:
-  static scoped_refptr<WaitingCallback> Create(
-      v8::Isolate* isolate, v8::Handle<v8::Function> callback);
-
-  static gin::WrapperInfo kWrapperInfo;
-  virtual gin::WrapperInfo* GetWrapperInfo() OVERRIDE;
-  static void EnsureRegistered(v8::Isolate* isolate);
-
-  BindingsSupport::AsyncWaitID wait_id() const {
-    return wait_id_;
-  }
-
-  void set_wait_id(BindingsSupport::AsyncWaitID wait_id) {
-    wait_id_ = wait_id;
-  }
-
- private:
-  WaitingCallback(v8::Isolate* isolate, v8::Handle<v8::Function> callback);
-  virtual ~WaitingCallback();
-
-  virtual void OnHandleReady(MojoResult result) OVERRIDE;
-
-  base::WeakPtr<gin::Runner> runner_;
-  BindingsSupport::AsyncWaitID wait_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(WaitingCallback);
-};
-
-}  // namespace js
-}  // namespace mojo
-
-namespace gin {
-
-template<>
-struct Converter<mojo::js::WaitingCallback*>
-    : public WrappableConverter<mojo::js::WaitingCallback> {};
-
-} // namespace gin
-
-#endif  // MOJO_PUBLIC_BINDINGS_JS_WAITING_CALLBACK_H_