Use <type_traits> in the C++ bindings library wherever possible.

mojo/public/cpp/bindings/lib/array_internal.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_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_
 
 #include <new>
+#include <type_traits>
 #include <vector>
 
 #include "mojo/public/c/system/macros.h"
 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
 #include "mojo/public/cpp/bindings/lib/bindings_serialization.h"
 #include "mojo/public/cpp/bindings/lib/bounds_checker.h"
 #include "mojo/public/cpp/bindings/lib/buffer.h"
 #include "mojo/public/cpp/bindings/lib/map_data_internal.h"
-#include "mojo/public/cpp/bindings/lib/template_util.h"
 #include "mojo/public/cpp/bindings/lib/validate_params.h"
 #include "mojo/public/cpp/bindings/lib/validation_errors.h"
 #include "mojo/public/cpp/environment/logging.h"
 
 namespace mojo {
 template <typename T>
 class Array;
 class String;
 
 namespace internal {
@@ skipping 354 matching lines @@
 template <typename T>
 class Array_Data {
  public:
   typedef ArrayDataTraits<T> Traits;
   typedef typename Traits::StorageType StorageType;
   typedef typename Traits::Ref Ref;
   typedef typename Traits::ConstRef ConstRef;
   typedef ArraySerializationHelper<
       T,
       IsHandle<T>::value,
-      IsUnionDataType<typename RemovePointer<T>::type>::value> Helper;
+      IsUnionDataType<typename std::remove_pointer<T>::type>::value> Helper;
 
   // Returns null if |num_elements| or the corresponding storage size cannot be
   // stored in uint32_t.
   static Array_Data<T>* New(size_t num_elements, Buffer* buf) {
     if (num_elements > Traits::kMaxNumElements)
       return nullptr;
 
     uint32_t num_bytes =
         Traits::GetStorageSize(static_cast<uint32_t>(num_elements));
     return new (buf->Allocate(num_bytes))
@@ skipping 171 matching lines @@
 
 template <>
 struct WrapperTraits<String, false> {
   typedef String_Data* DataType;
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_INTERNAL_H_