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diff --git a/mojo/public/cpp/bindings/lib/template_util.h b/mojo/public/cpp/bindings/lib/template_util.h
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+// 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_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_
+
+#include <type_traits>
+
+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 std::move() in a
+// destructive way.
+template <typename T>
+struct IsMoveOnlyType {
+ static const bool value = std::is_constructible<T, T&&>::value &&
+ !std::is_constructible<T, const T&>::value;
+};
+
+// 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 T>
+struct EnsureTypeIsComplete {
+ // sizeof() cannot be applied to incomplete types, this line will fail
+ // compilation if T is forward declaration.
+ using CheckSize = char (*)[sizeof(T)];
+};
+
+template <typename Base, typename Derived>
+struct IsBaseOf {
+ private:
+ static Derived* CreateDerived();
+ static char(&Check(Base*))[1];
+ static char(&Check(...))[2];
+
+ EnsureTypeIsComplete<Base> check_base_;
+ EnsureTypeIsComplete<Derived> check_derived_;
+
+ 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 // MOJO_PUBLIC_CPP_BINDINGS_LIB_TEMPLATE_UTIL_H_