Refactor fx_font part 1

core/fxge/ge/cfx_autofontcache.cpp

+// 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
+
+#include "core/fxge/include/cfx_autofontcache.h"
+
+#include "core/fxge/include/cfx_fontcache.h"
+#include "core/fxge/include/fx_font.h"
+
+CFX_AutoFontCache::CFX_AutoFontCache(CFX_FontCache* pFontCache, CFX_Font* pFont)
+    : m_pFontCache(pFontCache), m_pFont(pFont) {}
+
+CFX_AutoFontCache::~CFX_AutoFontCache() {
+  m_pFontCache->ReleaseCachedFace(m_pFont);
+}