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

chrome/browser/ui/app_list/search/search_webstore_result.h

 // Copyright 2013 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_APP_LIST_SEARCH_SEARCH_WEBSTORE_RESULT_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_WEBSTORE_RESULT_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "ui/app_list/search_result.h"
 #include "url/gurl.h"
 
 class AppListControllerDelegate;
 class Profile;
 
 namespace app_list {
 
 // A "search in webstore" result.
 class SearchWebstoreResult : public SearchResult {
  public:
   SearchWebstoreResult(Profile* profile,
                        AppListControllerDelegate* controller,
                        const std::string& query);
   ~SearchWebstoreResult() override;
 
   // SearchResult overrides:
   void Open(int event_flags) override;
-  scoped_ptr<SearchResult> Duplicate() const override;
+  std::unique_ptr<SearchResult> Duplicate() const override;
 
  private:
   Profile* profile_;
   AppListControllerDelegate* controller_;
   const std::string query_;
   GURL launch_url_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchWebstoreResult);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_WEBSTORE_RESULT_H_