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

chrome/browser/ui/app_list/search/suggestions/url_suggestion_result.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_UI_APP_LIST_SEARCH_SUGGESTIONS_URL_SUGGESTION_RESULT_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_SUGGESTIONS_URL_SUGGESTION_RESULT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "components/suggestions/proto/suggestions.pb.h"
 #include "ui/app_list/search_result.h"
 
 class AppListControllerDelegate;
 class GURL;
 class Profile;
 class SkBitmap;
 
 namespace favicon {
@@ skipping 16 matching lines @@
   // is expected to live longer that |suggestion|.
   URLSuggestionResult(Profile* profile,
                       AppListControllerDelegate* list_controller,
                       favicon::FaviconService* favicon_service,
                       suggestions::SuggestionsService* suggestions_service,
                       const suggestions::ChromeSuggestion& suggestion);
   ~URLSuggestionResult() override;
 
   // SearchResult overrides:
   void Open(int event_flags) override;
-  scoped_ptr<SearchResult> Duplicate() const override;
+  std::unique_ptr<SearchResult> Duplicate() const override;
 
   // Refer to SearchResult::set_relevance for documentation.
   using SearchResult::set_relevance;
 
  private:
   void UpdateIcon();
   void OnDidGetIcon(
       const favicon_base::FaviconRawBitmapResult& bitmap_result);
   void OnSuggestionsThumbnailAvailable(const GURL& url, const SkBitmap* bitmap);
 
   Profile* profile_;
   AppListControllerDelegate* list_controller_;
   favicon::FaviconService* favicon_service_;
   suggestions::SuggestionsService* suggestions_service_;
   suggestions::ChromeSuggestion suggestion_;
-  scoped_ptr<base::CancelableTaskTracker> cancelable_task_tracker_;
+  std::unique_ptr<base::CancelableTaskTracker> cancelable_task_tracker_;
 
   // For callbacks that may be run after destruction.
   base::WeakPtrFactory<URLSuggestionResult> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLSuggestionResult);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_SUGGESTIONS_URL_SUGGESTION_RESULT_H_