ipc: Allow attachment brokering for shared memory handles.

ipc/ipc_test_messages.h

 // Copyright 2015 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.
 
 // Multiply-included file, no traditional include guard.
 #include "build/build_config.h"
 
 #include "ipc/ipc_message_macros.h"
 #define IPC_MESSAGE_START IPCTestMsgStart
 
 #if defined(OS_WIN)
+#include "base/memory/shared_memory_handle.h"
 #include "ipc/handle_win.h"
 
 IPC_MESSAGE_CONTROL3(TestHandleWinMsg, int, IPC::HandleWin, int)
 IPC_MESSAGE_CONTROL2(TestTwoHandleWinMsg, IPC::HandleWin, IPC::HandleWin)
+IPC_MESSAGE_CONTROL1(TestSharedMemoryHandleMsg1, base::SharedMemoryHandle)
 #endif  // defined(OS_WIN)
 
 #if defined(OS_MACOSX)
 #include "base/file_descriptor_posix.h"
 #include "base/memory/shared_memory_handle.h"
 
 IPC_MESSAGE_CONTROL3(TestSharedMemoryHandleMsg1,
                      int,
                      base::SharedMemoryHandle,
                      int)
 IPC_MESSAGE_CONTROL2(TestSharedMemoryHandleMsg2,
                      base::SharedMemoryHandle,
                      base::SharedMemoryHandle)
 IPC_MESSAGE_CONTROL4(TestSharedMemoryHandleMsg3,
                      base::FileDescriptor,
                      base::SharedMemoryHandle,
                      base::FileDescriptor,
                      base::SharedMemoryHandle)
 IPC_MESSAGE_CONTROL1(TestSharedMemoryHandleMsg4, int)
 
 #endif  // defined(OS_MACOSX)