Refactor fx_font part 1

core/fxge/include/cfx_autofontcache.h

+// Copyright 2016 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 CORE_FXGE_INCLUDE_CFX_AUTOFONTCACHE_H_
+#define CORE_FXGE_INCLUDE_CFX_AUTOFONTCACHE_H_
+
+#include "core/fxge/include/cfx_fontcache.h"
+#include "core/fxge/include/fx_font.h"
+
+class CFX_AutoFontCache {
+ public:
+  CFX_AutoFontCache(CFX_FontCache* pFontCache, CFX_Font* pFont);
+  ~CFX_AutoFontCache();
+
+ private:
+  CFX_FontCache* m_pFontCache;
+  CFX_Font* m_pFont;
+};
+
+#endif  // CORE_FXGE_INCLUDE_CFX_AUTOFONTCACHE_H_