Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/public/client_native_pixmap_factory.cc

 // Copyright 2015 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 "ui/ozone/public/client_native_pixmap_factory.h"
 
 #include "base/trace_event/trace_event.h"
 #include "ui/ozone/platform_object.h"
 #include "ui/ozone/platform_selection.h"
 
@@ skipping 12 matching lines @@
 
 // static
 void ClientNativePixmapFactory::SetInstance(
     ClientNativePixmapFactory* instance) {
   DCHECK(!g_instance);
   DCHECK(instance);
   g_instance = instance;
 }
 
 // static
-scoped_ptr<ClientNativePixmapFactory> ClientNativePixmapFactory::Create() {
+std::unique_ptr<ClientNativePixmapFactory> ClientNativePixmapFactory::Create() {
   TRACE_EVENT1("ozone", "ClientNativePixmapFactory::Create", "platform",
                GetOzonePlatformName());
   return PlatformObject<ClientNativePixmapFactory>::Create();
 }
 
 ClientNativePixmapFactory::ClientNativePixmapFactory() {}
 
 ClientNativePixmapFactory::~ClientNativePixmapFactory() {}
 
 }  // namespace ui