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

chrome/browser/ui/views/extensions/extension_dialog.h

 // Copyright (c) 2012 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_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 79 matching lines @@
   // Use Show() to create instances.
   ExtensionDialog(extensions::ExtensionViewHost* host,
                   ExtensionDialogObserver* observer);
 
   void InitWindow(gfx::NativeWindow parent_window, int width, int height);
 
   // Window Title
   base::string16 window_title_;
 
   // The contained host for the view.
-  scoped_ptr<extensions::ExtensionViewHost> host_;
+  std::unique_ptr<extensions::ExtensionViewHost> host_;
 
   content::NotificationRegistrar registrar_;
 
   // The observer of this popup.
   ExtensionDialogObserver* observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDialog);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_