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

xfa/fde/css/cfde_cssrulecollection.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 "xfa/fde/css/fde_cssstyleselector.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 21 matching lines @@
       m_pUniversalRules(nullptr),
       m_pPersudoRules(nullptr),
       m_iSelectors(0) {}
 
 CFDE_CSSRuleCollection::~CFDE_CSSRuleCollection() {
   Clear();
 }
 
 void CFDE_CSSRuleCollection::AddRulesFrom(const CFDE_CSSStyleSheetArray& sheets,
                                           uint32_t dwMediaList,
-                                          IFGAS_FontMgr* pFontMgr) {
+                                          CFGAS_FontMgr* pFontMgr) {
   int32_t iSheets = sheets.GetSize();
   for (int32_t i = 0; i < iSheets; ++i) {
     IFDE_CSSStyleSheet* pSheet = sheets.GetAt(i);
     if (uint32_t dwMatchMedia = pSheet->GetMediaList() & dwMediaList) {
       int32_t iRules = pSheet->CountRules();
       for (int32_t j = 0; j < iRules; j++) {
         AddRulesFrom(pSheet, pSheet->GetRule(j), dwMatchMedia, pFontMgr);
       }
     }
   }
 }
 
 void CFDE_CSSRuleCollection::AddRulesFrom(IFDE_CSSStyleSheet* pStyleSheet,
                                           IFDE_CSSRule* pRule,
                                           uint32_t dwMediaList,
-                                          IFGAS_FontMgr* pFontMgr) {
+                                          CFGAS_FontMgr* pFontMgr) {
   switch (pRule->GetType()) {
     case FDE_CSSRULETYPE_Style: {
       IFDE_CSSStyleRule* pStyleRule = static_cast<IFDE_CSSStyleRule*>(pRule);
       CFDE_CSSDeclaration* pDeclaration = pStyleRule->GetDeclaration();
       int32_t iSelectors = pStyleRule->CountSelectorLists();
       for (int32_t i = 0; i < iSelectors; ++i) {
         CFDE_CSSSelector* pSelector = pStyleRule->GetSelectorList(i);
         if (pSelector->GetType() == FDE_CSSSELECTORTYPE_Persudo) {
           FDE_CSSRuleData* pData = NewRuleData(pSelector, pDeclaration);
           AddRuleTo(m_pPersudoRules, pData);
@@ skipping 68 matching lines @@
   pList = pData;
   return true;
 }
 
 FDE_CSSRuleData* CFDE_CSSRuleCollection::NewRuleData(
     CFDE_CSSSelector* pSel,
     CFDE_CSSDeclaration* pDecl) {
   return FXTARGET_NewWith(m_pStaticStore)
       FDE_CSSRuleData(pSel, pDecl, ++m_iSelectors);
 }