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

xfa/fde/css/cfde_cssrulecollection.cpp

Index: xfa/fde/css/cfde_cssrulecollection.cpp
diff --git a/xfa/fde/css/cfde_cssrulecollection.cpp b/xfa/fde/css/cfde_cssrulecollection.cpp
index 70cc655a5615606abfaa7356b651e664004d3767..28a482b83422beab738cbb6d724e6d3fd2dbece9 100644
--- a/xfa/fde/css/cfde_cssrulecollection.cpp
+++ b/xfa/fde/css/cfde_cssrulecollection.cpp
@@ -39,7 +39,7 @@ CFDE_CSSRuleCollection::~CFDE_CSSRuleCollection() {
 
 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);
@@ -55,7 +55,7 @@ void CFDE_CSSRuleCollection::AddRulesFrom(const CFDE_CSSStyleSheetArray& sheets,
 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);