Mojo: Move mojo/public/bindings/lib to mojo/public/cpp/bindings/lib.

mojo/public/bindings/lib/callback_internal.h

-// 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.
-
-#ifndef MOJO_PUBLIC_BINDINGS_LIB_CALLBACK_INTERNAL_H_
-#define MOJO_PUBLIC_BINDINGS_LIB_CALLBACK_INTERNAL_H_
-
-#include "mojo/public/bindings/lib/bindings_internal.h"
-
-namespace mojo {
-namespace internal {
-
-template <typename T, bool is_object_type = TypeTraits<T>::kIsObject>
-struct Callback_ParamTraits {};
-
-template <typename T>
-struct Callback_ParamTraits<T, true> {
-  typedef const T& ForwardType;
-  static const bool kIsScopedHandle = false;
-};
-
-template <typename T>
-struct Callback_ParamTraits<T, false> {
-  typedef T ForwardType;
-  static const bool kIsScopedHandle = false;
-};
-
-template <typename H>
-struct Callback_ParamTraits<ScopedHandleBase<H>, true> {
-  typedef ScopedHandleBase<H> ForwardType;
-  static const bool kIsScopedHandle = true;
-};
-
-template<bool B, typename T = void>
-struct EnableIf {};
-
-template<typename T>
-struct EnableIf<true, T> { typedef T type; };
-
-template <typename T>
-typename EnableIf<!Callback_ParamTraits<T>::kIsScopedHandle, T>::type&
-    Callback_Forward(T& t) {
-  return t;
-}
-
-template <typename T>
-typename EnableIf<Callback_ParamTraits<T>::kIsScopedHandle, T>::type
-    Callback_Forward(T& t) {
-  return t.Pass();
-}
-
-}  // namespace internal
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_BINDINGS_LIB_CALLBACK_INTERNAL_H_