Create a message filter for message port messages. This allows a nice cleanu...

ipc/ipc_message_macros.h

 // Copyright (c) 2006-2008 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 //
 // In your XXX_messages_internal.h file, before defining any messages do:
 //     #define IPC_MESSAGE_START XMsgStart
 // XMstStart value is from the IPCMessageStart enum in ipc_message_utils.h, and
@@ skipping 1033 matching lines @@
 
 #define IPC_BEGIN_MESSAGE_MAP(class_name, msg) \
   { \
     typedef class_name _IpcMessageHandlerClass; \
     const IPC::Message& ipc_message__ = msg; \
     bool msg_is_ok__ = true; \
     switch (ipc_message__.type()) { \
 
 #define IPC_MESSAGE_FORWARD(msg_class, obj, member_func) \
   case msg_class::ID: \
-    msg_is_ok__ = msg_class::Dispatch(&ipc_message__, obj, &member_func); \
+    msg_is_ok__ = msg_class::Dispatch(&ipc_message__, obj, this, &member_func); \
     break;
 
 #define IPC_MESSAGE_HANDLER(msg_class, member_func) \
   IPC_MESSAGE_FORWARD(msg_class, this, _IpcMessageHandlerClass::member_func)
 
 #define IPC_MESSAGE_FORWARD_DELAY_REPLY(msg_class, obj, member_func) \
     case msg_class::ID: \
     msg_class::DispatchDelayReply(&ipc_message__, obj, &member_func); \
     break;
 
@@ skipping 27 matching lines @@
   } \
 }
 
 #define IPC_END_MESSAGE_MAP_EX() \
   } \
 }
 
 // This corresponds to an enum value from IPCMessageStart.
 #define IPC_MESSAGE_CLASS(message) \
   message.type() >> 16