Move ParamTraits<base::PlatformFileInfo> and <base::PlatformFileError>.

ipc/ipc_message_utils.h

 // Copyright (c) 2012 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 IPC_IPC_MESSAGE_UTILS_H_
 #define IPC_IPC_MESSAGE_UTILS_H_
 #pragma once
 
 #include <algorithm>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/format_macros.h"
+#include "base/platform_file.h"
 #include "base/string16.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
 #include "base/tuple.h"
 #include "ipc/ipc_param_traits.h"
 #include "ipc/ipc_sync_message.h"
 
 #if defined(COMPILER_GCC)
 // GCC "helpfully" tries to inline template methods in release mode. Except we
 // want the majority of the template junk being expanded once in the
@@ skipping 302 matching lines @@
     }
     memcpy(r, data, sizeof(param_type));
     return true;
   }
   static void Log(const param_type& p, std::string* l) {
     l->append(StringPrintf("%e", p));
   }
 };
 
 template <>
+struct IPC_EXPORT ParamTraits<base::PlatformFileInfo> {
+  typedef base::PlatformFileInfo param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct SimilarTypeTraits<base::PlatformFileError> {
+  typedef int Type;
+};
+
+template <>
 struct IPC_EXPORT ParamTraits<base::Time> {
   typedef base::Time param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 template <>
 struct IPC_EXPORT ParamTraits<base::TimeDelta> {
   typedef base::TimeDelta param_type;
@@ skipping 820 matching lines @@
     ReplyParam p(a, b, c, d, e);
     WriteParam(reply, p);
   }
 };
 
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_UTILS_H_