IPC Fuzzer: Make it work with --disable-mojo-channel

tools/ipc_fuzzer/play_testcase.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """Wrapper around chrome.
 
 Replaces all the child processes (renderer, GPU, plugins and utility) with the
 IPC fuzzer. The fuzzer will then play back a specified testcase.
 
@@ skipping 71 matching lines @@
     '--plugin-launcher',
     '--ppapi-plugin-launcher',
     '--utility-cmd-prefix',
   }
 
   chrome_command = [
     chrome_path,
     '--ipc-fuzzer-testcase=' + args.testcase,
     '--no-sandbox',
     '--disable-kill-after-bad-ipc',
+    '--disable-mojo-channel',
   ]
 
   if args.gdb_browser:
     chrome_command = ['gdb', '--args'] + chrome_command
 
   launchers = {}
   for prefix in prefixes:
     launchers[prefix] = fuzzer_path
 
   for arg in args.chrome_args:
     if arg.find('=') != -1:
       switch, value = arg.split('=', 1)
       if switch in prefixes:
         launchers[switch] = value + ' ' + launchers[switch]
         continue
     chrome_command.append(arg)
 
   for switch, value in launchers.items():
     chrome_command.append(switch + '=' + value)
 
   command_line = ' '.join(['\'' + arg + '\'' for arg in chrome_command])
   print 'Executing: ' + command_line
 
   return subprocess.call(chrome_command)
 
 
 if __name__ == "__main__":
   sys.exit(main())