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

chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.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 CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "chrome/common/extensions/api/braille_display_private.h"
 #include "library_loaders/libbrlapi.h"
 
 namespace extensions {
 namespace api {
 namespace braille_display_private {
 
 // Maps a 64 bit BrlAPI keycode to a braille |KeyEvent| object.
-scoped_ptr<KeyEvent> BrlapiKeyCodeToEvent(brlapi_keyCode_t code);
+std::unique_ptr<KeyEvent> BrlapiKeyCodeToEvent(brlapi_keyCode_t code);
 
 }  // namespace braille_display_private
 }  // namespace api
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_