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

chrome/browser/ui/cocoa/infobars/infobar_cocoa.mm

 // Copyright 2013 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/infobars/infobar_cocoa.h"
 
 #include <utility>
 
 #import "chrome/browser/ui/cocoa/infobars/infobar_controller.h"
 
-InfoBarCocoa::InfoBarCocoa(scoped_ptr<infobars::InfoBarDelegate> delegate)
+InfoBarCocoa::InfoBarCocoa(std::unique_ptr<infobars::InfoBarDelegate> delegate)
     : infobars::InfoBar(std::move(delegate)), weak_ptr_factory_(this) {}
 
 InfoBarCocoa::~InfoBarCocoa() {
   if (controller())
     [controller() infobarWillClose];
 }
 
 infobars::InfoBarManager* InfoBarCocoa::OwnerCocoa() { return owner(); }
 
 base::WeakPtr<InfoBarCocoa> InfoBarCocoa::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }