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

chrome/browser/chromeos/login/ui/login_feedback.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_FEEDBACK_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_FEEDBACK_H_
 
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 
 class Profile;
 
 namespace chromeos {
 
 // Show the feedback UI to collect a feedback on the login screen. Note that
 // it dynamically loads/unloads the feedback extension on the signin profile.
 class LoginFeedback {
  public:
@@ skipping 14 matching lines @@
   // Invoked by FeedbackWindowHandler when all feedback windows are closed.
   void OnFeedbackFinished();
 
   // Ensures feedback UI is created.
   void EnsureFeedbackUI();
 
   Profile* const profile_;
   std::string description_;
   base::Closure finished_callback_;
 
-  scoped_ptr<FeedbackWindowHandler> feedback_window_handler_;
+  std::unique_ptr<FeedbackWindowHandler> feedback_window_handler_;
 
   base::WeakPtrFactory<LoginFeedback> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginFeedback);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_FEEDBACK_H_