make base::SharedMemoryHandle a class on POSIX.

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_
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 19 matching lines @@
 #include "build/build_config.h"
 #include "ipc/ipc_message_start.h"
 #include "ipc/ipc_param_traits.h"
 #include "ipc/ipc_sync_message.h"
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 class NullableString16;
+class SharedMemoryHandle;
 class Time;
 class TimeDelta;
 class TimeTicks;
 class UnguessableToken;
 struct FileDescriptor;
-
-#if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
-class SharedMemoryHandle;
-#endif  // (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 }
 
 namespace IPC {
 
 struct ChannelHandle;
 
 // -----------------------------------------------------------------------------
 // How we send IPC message logs across channels.
 struct IPC_EXPORT LogData {
   LogData();
@@ skipping 519 matching lines @@
   typedef base::FileDescriptor param_type;
   static void GetSize(base::PickleSizer* sizer, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 #endif  // defined(OS_POSIX)
 
-#if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 template <>
 struct IPC_EXPORT ParamTraits<base::SharedMemoryHandle> {
   typedef base::SharedMemoryHandle param_type;
   static void GetSize(base::PickleSizer* sizer, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
-#endif  // (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 
 template <>
 struct IPC_EXPORT ParamTraits<base::FilePath> {
   typedef base::FilePath param_type;
   static void GetSize(base::PickleSizer* sizer, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
@@ skipping 574 matching lines @@
 template <class ReplyParamType>
 inline void LogReplyParamsToMessage(const ReplyParamType& reply_params,
                                     const Message* msg) {}
 
 inline void ConnectMessageAndReply(const Message* msg, Message* reply) {}
 #endif
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_UTILS_H_