Mojo C++ bindings: custom type mapping of map

mojo/public/cpp/bindings/lib/map_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_CPP_BINDINGS_LIB_MAP_INTERNAL_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_INTERNAL_H_
 
 #include <stddef.h>
 #include <map>
 #include <utility>
 
 #include "mojo/public/cpp/bindings/array.h"
 #include "mojo/public/cpp/bindings/lib/template_util.h"
 
 namespace mojo {
 namespace internal {
 
 template <typename Key, typename Value, bool kValueIsMoveOnlyType>
-struct MapTraits {};
+struct MapCloneTraits {};
 
 // Defines traits of a map for which Value is not a move-only type.
 template <typename Key, typename Value>
-struct MapTraits<Key, Value, false> {
+struct MapCloneTraits<Key, Value, false> {
   static inline void Clone(const std::map<Key, Value>& src,
                            std::map<Key, Value>* dst) {
     dst->clear();
     for (auto it = src.begin(); it != src.end(); ++it)
       dst->insert(*it);
   }
 };
 
 // Defines traits of a map for which Value is a move-only type.
 template <typename Key, typename Value>
-struct MapTraits<Key, Value, true> {
+struct MapCloneTraits<Key, Value, true> {
   static inline void Clone(const std::map<Key, Value>& src,
                            std::map<Key, Value>* dst) {
     dst->clear();
     for (auto it = src.begin(); it != src.end(); ++it)
       dst->insert(std::make_pair(it->first, it->second.Clone()));
   }
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_MAP_INTERNAL_H_