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

chrome/browser/chromeos/ui/screen_capture_notification_ui_chromeos.cc

 // 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/chromeos/ui/screen_capture_notification_ui_chromeos.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_notifier.h"
 
 namespace chromeos {
@@ skipping 12 matching lines @@
 gfx::NativeViewId ScreenCaptureNotificationUIChromeOS::OnStarted(
     const base::Closure& stop_callback) {
   ash::Shell::GetInstance()->system_tray_notifier()->NotifyScreenCaptureStart(
       stop_callback, text_);
   return 0;
 }
 
 }  // namespace chromeos
 
 // static
-scoped_ptr<ScreenCaptureNotificationUI> ScreenCaptureNotificationUI::Create(
-    const base::string16& text) {
-  return scoped_ptr<ScreenCaptureNotificationUI>(
+std::unique_ptr<ScreenCaptureNotificationUI>
+ScreenCaptureNotificationUI::Create(const base::string16& text) {
+  return std::unique_ptr<ScreenCaptureNotificationUI>(
       new chromeos::ScreenCaptureNotificationUIChromeOS(text));
 }