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

chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.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_VIEWS_JAVASCRIPT_APP_MODAL_DIALOG_VIEWS_X11_H_
 #define CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_DIALOG_VIEWS_X11_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/app_modal/views/javascript_app_modal_dialog_views.h"
 
 class AppModalDialogHelper;
 class JavascriptAppModalEventBlockerX11;
 
 // JavaScriptAppModalDialog implmentation for linux desktop.
 class JavaScriptAppModalDialogViewsX11
     : public app_modal::JavaScriptAppModalDialogViews {
  public:
   explicit JavaScriptAppModalDialogViewsX11(
       app_modal::JavaScriptAppModalDialog* parent);
   ~JavaScriptAppModalDialogViewsX11() override;
 
   // JavaScriptAppModalDialogViews:
   void ShowAppModalDialog() override;
 
   // views::DialogDelegate:
   void WindowClosing() override;
 
  private:
   // Blocks events to other browser windows while the dialog is open.
-  scoped_ptr<JavascriptAppModalEventBlockerX11> event_blocker_x11_;
+  std::unique_ptr<JavascriptAppModalEventBlockerX11> event_blocker_x11_;
 
-  scoped_ptr<AppModalDialogHelper> helper_;
+  std::unique_ptr<AppModalDialogHelper> helper_;
 
   DISALLOW_COPY_AND_ASSIGN(JavaScriptAppModalDialogViewsX11);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_JAVASCRIPT_APP_MODAL_DIALOG_VIEWS_X11_H_