Revert 109760 - Uncomment third IPC hook for about:profiler

ipc/ipc_message_macros.h

 // Copyright (c) 2011 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.
 
 // Defining IPC Messages
 //
 // Your IPC messages will be defined by macros inside of an XXX_messages.h
 // header file.  Most of the time, the system can automatically generate all
 // of messaging mechanism from these definitions, but sometimes some manual
 // coding is required.  In these cases, you will also have an XXX_messages.cc
@@ skipping 948 matching lines @@
                                                   &member_func);               \
       }                                                                        \
       break;
 
 #define IPC_MESSAGE_HANDLER_DELAY_REPLY(msg_class, member_func)                \
     IPC_MESSAGE_FORWARD_DELAY_REPLY(msg_class, this,                           \
                                     _IpcMessageHandlerClass::member_func)
 
 #define IPC_MESSAGE_HANDLER_GENERIC(msg_class, code)                           \
     case msg_class::ID: {                                                      \
-        TRACK_RUN_IN_IPC_HANDLER(code);                                        \
+        /* TRACK_RUN_IN_IPC_HANDLER(code);  TODO(jar) */                       \
         code;                                                                  \
       }                                                                        \
       break;
 
 #define IPC_REPLY_HANDLER(func)                                                \
     case IPC_REPLY_ID: {                                                       \
         TRACK_RUN_IN_IPC_HANDLER(func);                                        \
         func(ipc_message__);                                                   \
       }                                                                        \
       break;
@@ skipping 23 matching lines @@
 // This corresponds to an enum value from IPCMessageStart.
 #define IPC_MESSAGE_CLASS(message) \
   IPC_MESSAGE_ID_CLASS(message.type())
 
 #endif  // IPC_IPC_MESSAGE_MACROS_H_
 
 // Clean up IPC_MESSAGE_START in this unguarded section so that the
 // XXX_messages.h files need not do so themselves.  This makes the
 // XXX_messages.h files easier to write.
 #undef IPC_MESSAGE_START