Refactor fx_font part 4

core/fxge/ge/fx_ge_font.cpp

 // 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
 
 #include "core/fxge/include/fx_font.h"
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fxge/ge/fx_text_int.h"
 #include "core/fxge/include/cfx_fontmgr.h"
 #include "core/fxge/include/cfx_gemodule.h"
+#include "core/fxge/include/cfx_substfont.h"
 #include "core/fxge/include/fx_freetype.h"
 
 #define EM_ADJUST(em, a) (em == 0 ? (a) : (a)*1000 / em)
 
 namespace {
 
 #ifdef PDF_ENABLE_XFA
 
 unsigned long FTStreamRead(FXFT_Stream stream,
                            unsigned long offset,
@@ skipping 383 matching lines @@
                    FXFT_Get_Face_UnderLinePosition(m_Face));
 }
 
 int CFX_Font::GetULthickness() const {
   if (!m_Face)
     return 0;
 
   return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
                    FXFT_Get_Face_UnderLineThickness(m_Face));
 }