mac: Make crashpad_handler get its receive right from its client

util/mach/child_port_handshake.h

Index: util/mach/child_port_handshake.h
diff --git a/util/mach/child_port_handshake.h b/util/mach/child_port_handshake.h
index c1d7ab9a592d3a306faedbe4eb1a0ebd58aa7031..5110e1dfd2b1ddba8c3386fa1a1023df90080b9c 100644
--- a/util/mach/child_port_handshake.h
+++ b/util/mach/child_port_handshake.h
@@ -122,7 +122,7 @@ class ChildPortHandshakeTest;
 //!
 //!   // Send the receive right to the child process, retaining the send right
 //!   // for use in the parent process.
-//!   if (child_port_handshake.RunClient(receive_right,
+//!   if (child_port_handshake.RunClient(receive_right.get(),
 //!                                      MACH_MSG_TYPE_MOVE_RECEIVE)) {
 //!     ignore_result(receive_right.release());
 //!   }