Simplify the magic required to create IPC message headers a bit.

chrome/common/logging_chrome.cc

 // Copyright (c) 2010 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.
 
 #include "build/build_config.h"
 
 // Need to include this before most other files because it defines
 // IPC_MESSAGE_LOG_ENABLED. We need to use it to define
 // IPC_MESSAGE_MACROS_LOG_ENABLED so render_messages.h will generate the
 // ViewMsgLog et al. functions.
@@ skipping 220 matching lines @@
 
 
 #endif
 
 void InitChromeLogging(const CommandLine& command_line,
                        OldFileDeletionState delete_old_log_file) {
   DCHECK(!chrome_logging_initialized_) <<
     "Attempted to initialize logging when it was already initialized.";
 
 #if defined(OS_POSIX) && defined(IPC_MESSAGE_LOG_ENABLED)
-  IPC::Logging::SetLoggerFunctions(g_log_function_mapping);
+  IPC::Logging::set_log_function_map(&g_log_function_mapping);
 #endif
 
   FilePath log_path = GetLogFileName();
 
 #if defined(OS_CHROMEOS)
   // For BWSI (Incognito) logins, we want to put the logs in the user
   // profile directory that is created for the temporary session instead
   // of in the system log directory, for privacy reasons.
   if (command_line.HasSwitch(switches::kGuestSession))
     log_path = GetSessionLogFile(command_line);
@@ skipping 132 matching lines @@
         assertions->push_back(wide_line);
       ++assertion_count;
     }
   }
   log_file.close();
 
   return assertion_count;
 }
 
 }  // namespace logging