Replace IFGAS_Font with underlying concrete type

xfa/fde/tto/fde_textout.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 "xfa/fde/tto/fde_textout.h"
 
 #include <algorithm>
 
@@ skipping 35 matching lines @@
   m_rtClip.Reset();
   m_rtLogicClip.Reset();
 }
 CFDE_TextOut::~CFDE_TextOut() {
   delete m_pTxtBreak;
   FX_Free(m_pCharWidths);
   FX_Free(m_pEllCharWidths);
   FX_Free(m_pCharPos);
   m_ttoLines.RemoveAll();
 }
-void CFDE_TextOut::SetFont(IFGAS_Font* pFont) {
+void CFDE_TextOut::SetFont(CFGAS_GEFont* pFont) {
   ASSERT(pFont);
   m_pFont = pFont;
   m_pTxtBreak->SetFont(pFont);
 }
 void CFDE_TextOut::SetFontSize(FX_FLOAT fFontSize) {
   ASSERT(fFontSize > 0);
   m_fFontSize = fFontSize;
   m_pTxtBreak->SetFontSize(fFontSize);
 }
 void CFDE_TextOut::SetTextColor(FX_ARGB color) {
@@ skipping 864 matching lines @@
     return NULL;
   }
   return m_pieces.GetPtrAt(index);
 }
 void CFDE_TTOLine::RemoveLast(int32_t iCount) {
   m_pieces.RemoveLast(iCount);
 }
 void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) {
   m_pieces.RemoveAll(bLeaveMemory);
 }