mac: Make Mach port scopers better ScopedGenerics

sandbox/mac/bootstrap_sandbox.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SANDBOX_MAC_BOOTSTRAP_SANDBOX_H_
 #define SANDBOX_MAC_BOOTSTRAP_SANDBOX_H_
 
 #include <mach/mach.h>
 
 #include <map>
@@ skipping 65 matching lines @@
 
   // Called in the parent when a process has died. It cleans up the references
   // to the process.
   void InvalidateClient(base::ProcessHandle handle);
 
   // Looks up the policy for a given process ID. If no policy is associated
   // with the |pid|, this returns NULL.
   const BootstrapSandboxPolicy* PolicyForProcess(pid_t pid) const;
 
   std::string server_bootstrap_name() const { return server_bootstrap_name_; }
-  mach_port_t real_bootstrap_port() const { return real_bootstrap_port_; }
+  mach_port_t real_bootstrap_port() const { return real_bootstrap_port_.get(); }
 
  private:
   BootstrapSandbox();
 
   // Dispatch callout for when a client sends a message on the
   // |check_in_port_|. If the client message is valid, it will assign the
   // client from |awaiting_processes_| to |sandboxed_processes_|.
   void HandleChildCheckIn();
 
   // The name in the system bootstrap server by which the |server_|'s port
@@ skipping 24 matching lines @@
 
   // The port and dispatch source for receiving client check in messages sent
   // via ClientCheckIn().
   base::mac::ScopedMachReceiveRight check_in_port_;
   scoped_ptr<base::DispatchSourceMach> check_in_server_;
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_MAC_BOOTSTRAP_SANDBOX_H_