Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/cocoa/keystone_infobar_delegate.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/browser/ui/cocoa/keystone_infobar_delegate.h"
 
 #import <AppKit/AppKit.h>
 
 #include <string>
 
@@ skipping 66 matching lines @@
   Browser* browser = chrome::GetLastActiveBrowser();
   if (!browser)
     return;
   content::WebContents* webContents =
       browser->tab_strip_model()->GetActiveWebContents();
   if (!webContents)
     return;
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(webContents);
   infobar_service->AddInfoBar(infobar_service->CreateConfirmInfoBar(
-      scoped_ptr<ConfirmInfoBarDelegate>(new KeystonePromotionInfoBarDelegate(
-          Profile::FromBrowserContext(
-              webContents->GetBrowserContext())->GetPrefs()))));
+      std::unique_ptr<ConfirmInfoBarDelegate>(
+          new KeystonePromotionInfoBarDelegate(
+              Profile::FromBrowserContext(webContents->GetBrowserContext())
+                  ->GetPrefs()))));
 }
 
 KeystonePromotionInfoBarDelegate::KeystonePromotionInfoBarDelegate(
     PrefService* prefs)
     : ConfirmInfoBarDelegate(),
       prefs_(prefs),
       can_expire_(false),
       weak_ptr_factory_(this) {
   const base::TimeDelta kCanExpireOnNavigationAfterDelay =
       base::TimeDelta::FromSeconds(8);
@@ skipping 124 matching lines @@
 
 @end  // @implementation KeystonePromotionInfoBar
 
 // static
 void KeystoneInfoBar::PromotionInfoBar(Profile* profile) {
   KeystonePromotionInfoBar* promotionInfoBar =
       [[[KeystonePromotionInfoBar alloc] init] autorelease];
 
   [promotionInfoBar checkAndShowInfoBarForProfile:profile];
 }