Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/guest_view/app_view/app_view_guest.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "components/guest_view/browser/guest_view.h"
@@ skipping 54 matching lines @@
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) final;
   bool CheckMediaAccessPermission(content::WebContents* web_contents,
                                   const GURL& security_origin,
                                   content::MediaStreamType type) final;
 
   void CompleteCreateWebContents(const GURL& url,
                                  const Extension* guest_extension,
                                  const WebContentsCreatedCallback& callback);
 
-  void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
+  void LaunchAppAndFireEvent(std::unique_ptr<base::DictionaryValue> data,
                              const WebContentsCreatedCallback& callback,
                              ExtensionHost* extension_host);
 
   GURL url_;
   std::string guest_extension_id_;
-  scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
-  scoped_ptr<AppDelegate> app_delegate_;
+  std::unique_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
+  std::unique_ptr<AppDelegate> app_delegate_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_