Do not rely on latest base/template_util.

native_mate/object_template_builder.h

@@ -8,9 +8,9 @@
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/strings/string_piece.h"
-#include "base/template_util.h"
 #include "native_mate/converter.h"
 #include "native_mate/function_template.h"
+#include "native_mate/template_util.h"
 #include "v8/include/v8.h"
 
 namespace mate {
@@ -42,8 +42,8 @@ struct CallbackTraits<base::Callback<T> > {
 // come from the the JavaScript "this" object the function was called on, not
 // from the first normal parameter.
 template<typename T>
-struct CallbackTraits<T, typename base::enable_if<
+struct CallbackTraits<T, typename enable_if<
-                           base::is_member_function_pointer<T>::value>::type> {
+                           is_member_function_pointer<T>::value>::type> {
   static v8::Handle<v8::FunctionTemplate> CreateTemplate(v8::Isolate* isolate,
                                                          T callback) {
     return CreateFunctionTemplate(isolate, base::Bind(callback),

native_mate/template_util.h

@@ -0,0 +1,150 @@
+// Copyright (c) 2011 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 NATIVE_MATE_TEMPLATE_UTIL_H_
+#define NATIVE_MATE_TEMPLATE_UTIL_H_
+
+#include <cstddef>  // For size_t.
+
+#include "build/build_config.h"
+
+namespace mate {
+
+// template definitions from tr1
+
+template<class T, T v>
+struct integral_constant {
+  static const T value = v;
+  typedef T value_type;
+  typedef integral_constant<T, v> type;
+};
+
+template <class T, T v> const T integral_constant<T, v>::value;
+
+typedef integral_constant<bool, true> true_type;
+typedef integral_constant<bool, false> false_type;
+
+template <class T> struct is_pointer : false_type {};
+template <class T> struct is_pointer<T*> : true_type {};
+
+// Member function pointer detection up to four params. Add more as needed
+// below. This is built-in to C++ 11, and we can remove this when we switch.
+template<typename T>
+struct is_member_function_pointer : false_type {};
+
+template <typename R, typename Z>
+struct is_member_function_pointer<R(Z::*)()> : true_type {};
+template <typename R, typename Z>
+struct is_member_function_pointer<R(Z::*)() const> : true_type {};
+
+template <typename R, typename Z, typename A>
+struct is_member_function_pointer<R(Z::*)(A)> : true_type {};
+template <typename R, typename Z, typename A>
+struct is_member_function_pointer<R(Z::*)(A) const> : true_type {};
+
+template <typename R, typename Z, typename A, typename B>
+struct is_member_function_pointer<R(Z::*)(A, B)> : true_type {};
+template <typename R, typename Z, typename A, typename B>
+struct is_member_function_pointer<R(Z::*)(A, B) const> : true_type {};
+
+template <typename R, typename Z, typename A, typename B, typename C>
+struct is_member_function_pointer<R(Z::*)(A, B, C)> : true_type {};
+template <typename R, typename Z, typename A, typename B, typename C>
+struct is_member_function_pointer<R(Z::*)(A, B, C) const> : true_type {};
+
+template <typename R, typename Z, typename A, typename B, typename C,
+          typename D>
+struct is_member_function_pointer<R(Z::*)(A, B, C, D)> : true_type {};
+template <typename R, typename Z, typename A, typename B, typename C,
+          typename D>
+struct is_member_function_pointer<R(Z::*)(A, B, C, D) const> : true_type {};
+
+
+template <class T, class U> struct is_same : public false_type {};
+template <class T> struct is_same<T,T> : true_type {};
+
+template<class> struct is_array : public false_type {};
+template<class T, size_t n> struct is_array<T[n]> : public true_type {};
+template<class T> struct is_array<T[]> : public true_type {};
+
+template <class T> struct is_non_const_reference : false_type {};
+template <class T> struct is_non_const_reference<T&> : true_type {};
+template <class T> struct is_non_const_reference<const T&> : false_type {};
+
+template <class T> struct is_const : false_type {};
+template <class T> struct is_const<const T> : true_type {};
+
+template <class T> struct is_void : false_type {};
+template <> struct is_void<void> : true_type {};
+
+namespace internal {
+
+// Types YesType and NoType are guaranteed such that sizeof(YesType) <
+// sizeof(NoType).
+typedef char YesType;
+
+struct NoType {
+  YesType dummy[2];
+};
+
+// This class is an implementation detail for is_convertible, and you
+// don't need to know how it works to use is_convertible. For those
+// who care: we declare two different functions, one whose argument is
+// of type To and one with a variadic argument list. We give them
+// return types of different size, so we can use sizeof to trick the
+// compiler into telling us which function it would have chosen if we
+// had called it with an argument of type From.  See Alexandrescu's
+// _Modern C++ Design_ for more details on this sort of trick.
+
+struct ConvertHelper {
+  template <typename To>
+  static YesType Test(To);
+
+  template <typename To>
+  static NoType Test(...);
+
+  template <typename From>
+  static From& Create();
+};
+
+// Used to determine if a type is a struct/union/class. Inspired by Boost's
+// is_class type_trait implementation.
+struct IsClassHelper {
+  template <typename C>
+  static YesType Test(void(C::*)(void));
+
+  template <typename C>
+  static NoType Test(...);
+};
+
+}  // namespace internal
+
+// Inherits from true_type if From is convertible to To, false_type otherwise.
+//
+// Note that if the type is convertible, this will be a true_type REGARDLESS
+// of whether or not the conversion would emit a warning.
+template <typename From, typename To>
+struct is_convertible
+    : integral_constant<bool,
+                        sizeof(internal::ConvertHelper::Test<To>(
+                                   internal::ConvertHelper::Create<From>())) ==
+                        sizeof(internal::YesType)> {
+};
+
+template <typename T>
+struct is_class
+    : integral_constant<bool,
+                        sizeof(internal::IsClassHelper::Test<T>(0)) ==
+                            sizeof(internal::YesType)> {
+};
+
+template<bool B, class T = void>
+struct enable_if {};
+
+template<class T>
+struct enable_if<true, T> { typedef T type; };
+
+}  // namespace mate
+
+#endif  // NATIVE_MATE_TEMPLATE_UTIL_H_

native_mate/wrappable.h

@@ -5,9 +5,9 @@
 #ifndef NATIVE_MATE_WRAPPABLE_H_
 #define NATIVE_MATE_WRAPPABLE_H_
 
-#include "base/template_util.h"
 #include "native_mate/compat.h"
 #include "native_mate/converter.h"
+#include "native_mate/template_util.h"
 
 namespace mate {
 
@@ -67,8 +67,8 @@ class Wrappable {
 
 // This converter handles any subclass of Wrappable.
 template<typename T>
-struct Converter<T*, typename base::enable_if<
+struct Converter<T*, typename enable_if<
-                       base::is_convertible<T*, Wrappable*>::value>::type> {
+                       is_convertible<T*, Wrappable*>::value>::type> {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate, T* val) {
     return val->GetWrapper(isolate);
   }

native_mate_files.gypi

@@ -14,6 +14,7 @@
       'native_mate/object_template_builder.cc',
       'native_mate/object_template_builder.h',
       'native_mate/scoped_persistent.h',
+      'native_mate/template_util.h',
       'native_mate/try_catch.cc',
       'native_mate/try_catch.h',
       'native_mate/wrappable.cc',