Convert //remoting to use std::unique_ptr

remoting/host/mac/me2me_preference_pane.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.
 
 #import "remoting/host/mac/me2me_preference_pane.h"
 
 #import <Cocoa/Cocoa.h>
 #include <CommonCrypto/CommonHMAC.h>
 #include <errno.h>
 #include <launch.h>
 #import <PreferencePanes/PreferencePanes.h>
 #import <SecurityInterface/SFAuthorizationView.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <fstream>
+#include <memory>
 
 #include "base/mac/authorization_util.h"
 #include "base/mac/launchd.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/scoped_launch_data.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/posix/eintr_wrapper.h"
 #include "remoting/host/constants_mac.h"
 #include "remoting/host/host_config.h"
-#include "remoting/host/pin_hash.h"
 #import "remoting/host/mac/me2me_preference_pane_confirm_pin.h"
 #import "remoting/host/mac/me2me_preference_pane_disable.h"
+#include "remoting/host/pin_hash.h"
 #include "third_party/jsoncpp/source/include/json/reader.h"
 #include "third_party/jsoncpp/source/include/json/writer.h"
 
 namespace {
 
 bool GetTemporaryConfigFilePath(std::string* path) {
   NSString* filename = NSTemporaryDirectory();
   if (filename == nil)
     return false;
 
@@ skipping 198 matching lines @@
 - (void)readNewConfig {
   std::string file;
   if (!GetTemporaryConfigFilePath(&file)) {
     NSLog(@"Failed to get path of configuration data.");
     [self showError];
     return;
   }
   if (access(file.c_str(), F_OK) != 0)
     return;
 
-  scoped_ptr<remoting::JsonHostConfig> new_config_(
+  std::unique_ptr<remoting::JsonHostConfig> new_config_(
       new remoting::JsonHostConfig(file));
   if (!new_config_->Read()) {
     // Report the error, because the file exists but couldn't be read.  The
     // case of non-existence is normal and expected.
     NSLog(@"Error reading configuration data from %s", file.c_str());
     [self showError];
     return;
   }
   remove(file.c_str());
   if (!IsConfigValid(new_config_.get())) {
@@ skipping 321 matching lines @@
   NSArray* arguments = [NSArray arrayWithObjects:@"--relaunch-prefpane", nil];
   [task setLaunchPath:command];
   [task setArguments:arguments];
   [task setStandardInput:[NSPipe pipe]];
   [task launch];
   [task release];
   [NSApp terminate:nil];
 }
 
 @end