POSIX: don't allocate memory after forking.

base/process_util.h

Index: base/process_util.h
diff --git a/base/process_util.h b/base/process_util.h
index a36869874dc6cc07c407a26116e3bd4031fbc370..d66c48266ea666b3444a59c8957460b6f0dd740e 100644
--- a/base/process_util.h
+++ b/base/process_util.h
@@ -111,12 +111,6 @@ bool AdjustOOMScore(ProcessId process, int score);
 #endif
 
 #if defined(OS_POSIX)
-// Sets all file descriptors to close on exec except for stdin, stdout
-// and stderr.
-// TODO(agl): remove this function
-// WARNING: do not use. It's inherently race-prone in the face of
-// multi-threading.
-void SetAllFDsToCloseOnExec();
 // Close all file descriptors, expect those which are a destination in the
 // given multimap. Only call this function in a child process where you know
 // that there aren't any other threads.