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

chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.cc

 // 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.
 
 #include "chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h"
 
 #include <stdint.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversion_utils.h"
@@ skipping 134 matching lines @@
           event->command = KEY_COMMAND_DOTS;
           event->braille_dots.reset(new int(argument & kAllDots));
           MapModifierFlags(code, event);
           break;
       }
   }
 }
 
 }  // namespace
 
-scoped_ptr<KeyEvent> BrlapiKeyCodeToEvent(brlapi_keyCode_t code) {
-  scoped_ptr<KeyEvent> result(new KeyEvent);
+std::unique_ptr<KeyEvent> BrlapiKeyCodeToEvent(brlapi_keyCode_t code) {
+  std::unique_ptr<KeyEvent> result(new KeyEvent);
   result->command = KEY_COMMAND_NONE;
   switch (code & BRLAPI_KEY_TYPE_MASK) {
     case BRLAPI_KEY_TYPE_SYM:
       MapKeySym(code, result.get());
       break;
     case BRLAPI_KEY_TYPE_CMD:
       MapCommand(code, result.get());
       break;
   }
   if (result->command == KEY_COMMAND_NONE)
     result.reset();
   return result;
 }
 
 }  // namespace braille_display_private
 }  // namespace api
 }  // namespace extensions