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

chrome/browser/ui/webui/options/home_page_overlay_handler.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_WEBUI_OPTIONS_HOME_PAGE_OVERLAY_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_HOME_PAGE_OVERLAY_HANDLER_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "components/omnibox/browser/autocomplete_controller_delegate.h"
 
 class AutocompleteController;
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace options {
 
 class HomePageOverlayHandler : public OptionsPageUIHandler,
                                public AutocompleteControllerDelegate {
  public:
   HomePageOverlayHandler();
   ~HomePageOverlayHandler() override;
 
   // OptionsPageUIHandler implementation
   void GetLocalizedValues(base::DictionaryValue*) override;
   void InitializeHandler() override;
   void RegisterMessages() override;
 
   // AutocompleteControllerDelegate implementation.
   void OnResultChanged(bool default_match_changed) override;
 
  private:
   void RequestAutocompleteSuggestions(const base::ListValue* args);
 
-  scoped_ptr<AutocompleteController> autocomplete_controller_;
+  std::unique_ptr<AutocompleteController> autocomplete_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(HomePageOverlayHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_HOME_PAGE_OVERLAY_HANDLER_H_