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

chrome/browser/chromeos/app_mode/app_session.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_APP_SESSION_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_APP_SESSION_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_session_plugin_handler_delegate.h"
 
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class AppWindow;
@@ skipping 28 matching lines @@
   void OnAppWindowAdded(extensions::AppWindow* app_window);
   void OnLastAppWindowClosed();
 
   // KioskSessionPluginHandlerDelegate
   bool ShouldHandlePlugin(const base::FilePath& plugin_path) const override;
   void OnPluginCrashed(const base::FilePath& plugin_path) override;
   void OnPluginHung(const std::set<int>& hung_plugins) override;
 
   bool is_shutting_down_ = false;
 
-  scoped_ptr<AppWindowHandler> app_window_handler_;
-  scoped_ptr<BrowserWindowHandler> browser_window_handler_;
-  scoped_ptr<KioskSessionPluginHandler> plugin_handler_;
+  std::unique_ptr<AppWindowHandler> app_window_handler_;
+  std::unique_ptr<BrowserWindowHandler> browser_window_handler_;
+  std::unique_ptr<KioskSessionPluginHandler> plugin_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AppSession);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_APP_SESSION_H_