Getting service process on Mac to handle having things moved/changed underneath it.

chrome/common/service_process_util_posix.cc

Index: chrome/common/service_process_util_posix.cc
diff --git a/chrome/common/service_process_util_posix.cc b/chrome/common/service_process_util_posix.cc
index 189fd7f27fd298da4ddd1dd1dae42e829c151735..0dd0a8e8c488758538c7848ae9adc49c0297da53 100644
--- a/chrome/common/service_process_util_posix.cc
+++ b/chrome/common/service_process_util_posix.cc
@@ -96,12 +96,10 @@ bool ServiceProcessState::SignalReady(
   CHECK(state_);
   CHECK_EQ(g_signal_socket, -1);
 
-#if defined(OS_LINUX)
-  state_->running_lock_.reset(TakeServiceRunningLock(true));
-  if (state_->running_lock_.get() == NULL) {
+  if (!SignalReadyPlatformSpecific(shutdown_task)) {
     return false;
   }
-#endif // OS_LINUX
+  
   state_->shut_down_monitor_.reset(
       new ServiceProcessShutdownMonitor(shutdown_task));
   if (pipe(state_->sockets_) < 0) {