Fix OS_MACOS typos. Should be OS_MACOSX.

content/worker/worker_main.cc

 // 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.
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/hi_res_timer_manager.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/system_monitor/system_monitor.h"
@@ skipping 25 matching lines @@
     return false;
 
   // Cause advapi32 to load before the sandbox is turned on.
   unsigned int dummy_rand;
   rand_s(&dummy_rand);
   // Warm up language subsystems before the sandbox is turned on.
   ::GetUserDefaultLangID();
   ::GetUserDefaultLCID();
 
   target_services->LowerToken();
-#elif defined(OS_MAC)
+#elif defined(OS_MACOSX)

[jeremy, 2013/03/19 10:06:40]

Per separate email, this should be fixed on trunk.

   // On OS X, if the sandbox fails to initialize, something has gone terribly
   // wrong and we should die.
   CHECK(InitializeSandbox());
 #elif defined(OS_LINUX)
   // On Linux, the sandbox must be initialized early, before any thread is
   // created.
   InitializeSandbox();
 #endif
 
   ChildProcess worker_process;
   worker_process.set_main_thread(new WorkerThread());
 
   const CommandLine& parsed_command_line = parameters.command_line;
   if (parsed_command_line.HasSwitch(switches::kWaitForDebugger)) {
     ChildProcess::WaitForDebugger("Worker");
   }
 
   // Load the accelerator table from the browser executable and tell the
   // message loop to use it when translating messages.
   MessageLoop::current()->Run();
 
   return 0;
 }
 
 }  // namespace content