Move third_party/mojo/src/mojo/public to mojo/public

third_party/mojo/src/mojo/public/cpp/bindings/lib/template_util.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 THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_
-
-namespace mojo {
-namespace internal {
-
-template <class T, T v>
-struct IntegralConstant {
-  static const T value = v;
-};
-
-template <class T, T v>
-const T IntegralConstant<T, v>::value;
-
-typedef IntegralConstant<bool, true> TrueType;
-typedef IntegralConstant<bool, false> FalseType;
-
-template <class T>
-struct IsConst : FalseType {};
-template <class T>
-struct IsConst<const T> : TrueType {};
-
-template <class T>
-struct IsPointer : FalseType {};
-template <class T>
-struct IsPointer<T*> : TrueType {};
-
-template <bool B, typename T = void>
-struct EnableIf {};
-
-template <typename T>
-struct EnableIf<true, T> {
-  typedef T type;
-};
-
-// Types YesType and NoType are guaranteed such that sizeof(YesType) <
-// sizeof(NoType).
-typedef char YesType;
-
-struct NoType {
-  YesType dummy[2];
-};
-
-// A helper template to determine if given type is non-const move-only-type,
-// i.e. if a value of the given type should be passed via .Pass() in a
-// destructive way.
-template <typename T>
-struct IsMoveOnlyType {
-  template <typename U>
-  static YesType Test(const typename U::MoveOnlyTypeForCPP03*);
-
-  template <typename U>
-  static NoType Test(...);
-
-  static const bool value =
-      sizeof(Test<T>(0)) == sizeof(YesType) && !IsConst<T>::value;
-};
-
-// Returns a reference to |t| when T is not a move-only type.
-template <typename T>
-typename EnableIf<!IsMoveOnlyType<T>::value, T>::type& Forward(T& t) {
-  return t;
-}
-
-// Returns the result of t.Pass() when T is a move-only type.
-template <typename T>
-typename EnableIf<IsMoveOnlyType<T>::value, T>::type Forward(T& t) {
-  return t.Pass();
-}
-
-// This goop is a trick used to implement a template that can be used to
-// determine if a given class is the base class of another given class.
-template <typename, typename>
-struct IsSame {
-  static bool const value = false;
-};
-template <typename A>
-struct IsSame<A, A> {
-  static bool const value = true;
-};
-template <typename Base, typename Derived>
-struct IsBaseOf {
- private:
-  // This class doesn't work correctly with forward declarations.
-  // Because sizeof cannot be applied to incomplete types, this line prevents us
-  // from passing in forward declarations.
-  typedef char (*EnsureTypesAreComplete)[sizeof(Base) + sizeof(Derived)];
-
-  static Derived* CreateDerived();
-  static char(&Check(Base*))[1];
-  static char(&Check(...))[2];
-
- public:
-  static bool const value = sizeof Check(CreateDerived()) == 1 &&
-                            !IsSame<Base const, void const>::value;
-};
-
-template <class T>
-struct RemovePointer {
-  typedef T type;
-};
-template <class T>
-struct RemovePointer<T*> {
-  typedef T type;
-};
-
-template <template <typename...> class Template, typename T>
-struct IsSpecializationOf : FalseType {};
-
-template <template <typename...> class Template, typename... Args>
-struct IsSpecializationOf<Template, Template<Args...>> : TrueType {};
-
-template <bool B, typename T, typename F>
-struct Conditional {
-  typedef T type;
-};
-
-template <typename T, typename F>
-struct Conditional<false, T, F> {
-  typedef F type;
-};
-
-}  // namespace internal
-}  // namespace mojo
-
-#endif  // THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_