Remove IFGAS_FontMgr and clean up (the renamed) CFGAS_FontMgr a little.

xfa/fde/css/fde_cssstyleselector.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/css/fde_cssstyleselector.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 88 matching lines @@
                                          0x00100000, 0x01000000};
   for (; pSel; pSel = pSel->GetNextSelector()) {
     FDE_CSSSELECTORTYPE eType = pSel->GetType();
     if (eType > FDE_CSSSELECTORTYPE_Descendant ||
         pSel->GetNameHash() != FDE_CSSUNIVERSALHASH) {
       dwPriority += s_Specific[eType];
     }
   }
 }
 
-CFDE_CSSStyleSelector::CFDE_CSSStyleSelector(IFGAS_FontMgr* pFontMgr)
+CFDE_CSSStyleSelector::CFDE_CSSStyleSelector(CFGAS_FontMgr* pFontMgr)
     : m_pFontMgr(pFontMgr), m_fDefFontSize(12.0f) {
   m_ePriorities[FDE_CSSSTYLESHEETPRIORITY_High] = FDE_CSSSTYLESHEETGROUP_Author;
   m_ePriorities[FDE_CSSSTYLESHEETPRIORITY_Mid] = FDE_CSSSTYLESHEETGROUP_User;
   m_ePriorities[FDE_CSSSTYLESHEETPRIORITY_Low] =
       FDE_CSSSTYLESHEETGROUP_UserAgent;
 }
 
 CFDE_CSSStyleSelector::~CFDE_CSSStyleSelector() {
   Reset();
 }
@@ skipping 1810 matching lines @@
   m_MaxBoxSize.Set(FDE_CSSLENGTHUNIT_None);
   m_eDisplay = FDE_CSSDISPLAY_Inline;
   m_fVerticalAlign = 0.0f;
   m_ColumnCount.Set(FDE_CSSLENGTHUNIT_Auto);
   m_ColumnGap.Set(FDE_CSSLENGTHUNIT_Normal);
   m_bColumnRuleColorSame = true;
   m_ColumnWidth.Set(FDE_CSSLENGTHUNIT_Auto);
   m_ColumnRuleWidth.Set(FDE_CSSLENGTHUNIT_Auto);
   m_eTextCombine = FDE_CSSTEXTCOMBINE_None;
 }