mac: Make crashpad_handler get its receive right from its client

util/mach/child_port_handshake.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 104 matching lines @@
 //!   mach_msg_type_name_t send_right_type;
 //!   mach_port_extract_right(mach_task_self(),
 //!                           receive_right.get(),
 //!                           MACH_MSG_TYPE_MAKE_SEND,
 //!                           &send_right,
 //!                           &send_right_type);
 //!   base::mac::ScopedMachSendRight send_right_owner(send_right);
 //!
 //!   // 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());
 //!   }
 //! \endcode
 //!
 //! Example child process, running a server that receives a receive right from
 //! its parent:
 //! \code
 //!   int main(int argc, char* argv[]) {
 //!     // The parent passed server_write_fd in argv[1].
@@ skipping 182 matching lines @@
   base::ScopedFD server_write_fd_;
 
   friend class test::ChildPortHandshakeTest;
 
   DISALLOW_COPY_AND_ASSIGN(ChildPortHandshake);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MACH_CHILD_PORT_HANDSHAKE_H_