Move the utility process messages to their own file now that we have more tha...

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 the first pass, IPC_MESSAGE_MACROS_ENUMS should be defined, which will
 // create enums for each of the messages defined with the IPC_MESSAGE_* macros.
 //
@@ skipping 119 matching lines @@
 #undef IPC_SYNC_MESSAGE_ROUTED3_2
 #undef IPC_SYNC_MESSAGE_ROUTED3_3
 #undef IPC_SYNC_MESSAGE_ROUTED4_0
 #undef IPC_SYNC_MESSAGE_ROUTED4_1
 #undef IPC_SYNC_MESSAGE_ROUTED4_2
 #undef IPC_SYNC_MESSAGE_ROUTED4_3
 
 #if defined(IPC_MESSAGE_MACROS_ENUMS)
 #undef IPC_MESSAGE_MACROS_ENUMS
 
-// TODO(jabdelmalek): we're using the lowest 12 bits of type for the message
-// id, and the highest 4 bits for the channel type.  This constrains us to
-// 16 channel types (currently using 8) and 4K messages per type.  Should
-// really make type be 32 bits, but then we break automation with older Chrome
-// builds..
+// We're using the lowest 16 bits of type for the message id, and the highest
+// 16 bits for the channel type.
+//
 // Do label##PreStart so that automation messages keep the same id as before.
 #define IPC_BEGIN_MESSAGES(label) \
   enum label##MsgType { \
   label##Start = label##MsgStart << 16, \
   label##PreStart = (label##MsgStart << 16) - 1,
 
 #define IPC_END_MESSAGES(label) \
   label##End \
   };
 
@@ skipping 986 matching lines @@
           Tuple3<type1_out&, type2_out&, type3_out&> > { \
    public: \
    enum { ID = msg_class##__ID }; \
     msg_class(int routing_id, const type1_in& arg1, const type2_in& arg2, const type3_in& arg3, const type4_in& arg4, type1_out* arg5, type2_out* arg6, type3_out* arg7) \
       : IPC::MessageWithReply<Tuple4<type1_in, type2_in, type3_in, type4_in>, \
           Tuple3<type1_out&, type2_out&, type3_out&> >(routing_id, ID, \
           MakeRefTuple(arg1, arg2, arg3, arg4), MakeRefTuple(*arg5, *arg6, *arg7)) {} \
   };
 
 #endif  // #if defined()