Make sure that scoped_ptr<> cannot be used with ref-counted objects.

chrome/common/service_process_util_mac.mm

 // Copyright (c) 2012 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.
 
 #include "chrome/common/service_process_util_posix.h"
 
 #import <Foundation/Foundation.h>
 #include <launch.h>
 
 #include <vector>
@@ skipping 301 matching lines @@
 bool ServiceProcessState::StateData::WatchExecutable() {
   base::mac::ScopedNSAutoreleasePool pool;
   NSDictionary* ns_launchd_conf = base::mac::CFToNSCast(launchd_conf_);
   NSString* exe_path = [ns_launchd_conf objectForKey:@ LAUNCH_JOBKEY_PROGRAM];
   if (!exe_path) {
     DLOG(ERROR) << "No " LAUNCH_JOBKEY_PROGRAM;
     return false;
   }
 
   FilePath executable_path = FilePath([exe_path fileSystemRepresentation]);
-  scoped_ptr<ExecFilePathWatcherDelegate> delegate(
+  scoped_refptr<ExecFilePathWatcherDelegate> delegate(
       new ExecFilePathWatcherDelegate);
   if (!delegate->Init(executable_path)) {
     DLOG(ERROR) << "executable_watcher_.Init " << executable_path.value();
     return false;
   }
-  if (!executable_watcher_.Watch(executable_path, delegate.release())) {
+  if (!executable_watcher_.Watch(executable_path, delegate)) {
     DLOG(ERROR) << "executable_watcher_.watch " << executable_path.value();
     return false;
   }
   return true;
 }
 
 bool ExecFilePathWatcherDelegate::Init(const FilePath& path) {
   return base::mac::FSRefFromPath(path.value(), &executable_fsref_);
 }
 
@@ skipping 97 matching lines @@
       CFErrorRef err = NULL;
       if (!Launchd::GetInstance()->RemoveJob(label, &err)) {
         base::mac::ScopedCFTypeRef<CFErrorRef> scoped_err(err);
         DLOG(ERROR) << "RemoveJob " << err;
         // Exiting with zero, so launchd doesn't restart the process.
         exit(0);
       }
     }
   }
 }