Remove CFX_PtrArray from xfa/include/fwl

xfa/include/fwl/lightwidget/theme.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FWL_THEME_LIGHT_H
-#define _FWL_THEME_LIGHT_H
+#ifndef XFA_INCLUDE_FWL_LIGHTWIDGET_THEME_H_
+#define XFA_INCLUDE_FWL_LIGHTWIDGET_THEME_H_
+
+#include <memory>
+#include <vector>
 
 #include "xfa/include/fwl/core/fwl_theme.h"
 
 class CFWL_WidgetTP;
 class IFWL_Widget;
 
 class CFWL_Theme : public IFWL_ThemeProvider {
  public:
   CFWL_Theme();
   ~CFWL_Theme() override;
@@ skipping 19 matching lines @@
 
   FWL_ERR Initialize();
   FWL_ERR Finalize();
   FWL_ERR SetFont(IFWL_Widget* pWidget,
                   const FX_WCHAR* strFont,
                   FX_FLOAT fFontSize,
                   FX_ARGB rgbFont);
   CFWL_WidgetTP* GetTheme(IFWL_Widget* pWidget);
 
  protected:
-  CFX_PtrArray m_arrThemes;
+  std::vector<std::unique_ptr<CFWL_WidgetTP>> m_ThemesArray;
 };
-#endif
+
+#endif  // XFA_INCLUDE_FWL_LIGHTWIDGET_THEME_H_