Reland "Open MessagePumpLibevent's pipe with O_CLOEXEC"

base/message_loop/message_pump_libevent.cc

Index: base/message_loop/message_pump_libevent.cc
diff --git a/base/message_loop/message_pump_libevent.cc b/base/message_loop/message_pump_libevent.cc
index fef01da9a657820672e56fd2daa6c3d6b17806c9..df08a6b2a8125af77f678558b07a4be4c3306223 100644
--- a/base/message_loop/message_pump_libevent.cc
+++ b/base/message_loop/message_pump_libevent.cc
@@ -290,16 +290,8 @@ void MessagePumpLibevent::ScheduleDelayedWork(
 
 bool MessagePumpLibevent::Init() {
   int fds[2];
-  if (pipe(fds)) {
-    DLOG(ERROR) << "pipe() failed, errno: " << errno;
-    return false;
-  }
-  if (!SetNonBlocking(fds[0])) {
-    DLOG(ERROR) << "SetNonBlocking for pipe fd[0] failed, errno: " << errno;
-    return false;
-  }
-  if (!SetNonBlocking(fds[1])) {
-    DLOG(ERROR) << "SetNonBlocking for pipe fd[1] failed, errno: " << errno;
+  if (!CreateLocalNonBlockingPipe(fds)) {
+    DPLOG(ERROR) << "pipe creation failed";
     return false;
   }
   wakeup_pipe_out_ = fds[0];