5 files changed, 5 insertions, 5 deletions
diff --git a/xfa/fgas/font/cfgas_fontmgr.h b/xfa/fgas/font/cfgas_fontmgr.h
index 72578be744..6dda338a83 100644
--- a/xfa/fgas/font/cfgas_fontmgr.h
+++ b/xfa/fgas/font/cfgas_fontmgr.h
@@ -121,7 +121,7 @@ class CFX_FontSourceEnum_File {
 
 #endif  // _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
 
-class CFGAS_FontMgr : public Observable<CFGAS_FontMgr> {
+class CFGAS_FontMgr final : public Observable<CFGAS_FontMgr> {
  public:
   CFGAS_FontMgr();
   ~CFGAS_FontMgr();
diff --git a/xfa/fgas/font/cfgas_gefont.h b/xfa/fgas/font/cfgas_gefont.h
index bc24cebe47..685fa68200 100644
--- a/xfa/fgas/font/cfgas_gefont.h
+++ b/xfa/fgas/font/cfgas_gefont.h
@@ -20,7 +20,7 @@
 
 class CFX_UnicodeEncoding;
 
-class CFGAS_GEFont : public Retainable {
+class CFGAS_GEFont final : public Retainable {
  public:
   template <typename T, typename... Args>
   friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
diff --git a/xfa/fgas/font/cfgas_pdffontmgr.h b/xfa/fgas/font/cfgas_pdffontmgr.h
index 235f883ce7..6c4242288a 100644
--- a/xfa/fgas/font/cfgas_pdffontmgr.h
+++ b/xfa/fgas/font/cfgas_pdffontmgr.h
@@ -19,7 +19,7 @@ class CFGAS_FontMgr;
 class CFGAS_GEFont;
 class CPDF_Document;
 
-class CFGAS_PDFFontMgr : public Observable<CFGAS_PDFFontMgr> {
+class CFGAS_PDFFontMgr final : public Observable<CFGAS_PDFFontMgr> {
  public:
   explicit CFGAS_PDFFontMgr(CPDF_Document* pDoc, CFGAS_FontMgr* pFontMgr);
   ~CFGAS_PDFFontMgr();
diff --git a/xfa/fgas/layout/cfx_rtfbreak.h b/xfa/fgas/layout/cfx_rtfbreak.h
index c2320fab7f..ac29ef5e70 100644
--- a/xfa/fgas/layout/cfx_rtfbreak.h
+++ b/xfa/fgas/layout/cfx_rtfbreak.h
@@ -43,7 +43,7 @@ struct FX_RTFTEXTOBJ {
   int32_t iVerticalScale;
 };
 
-class CFX_RTFBreak : public CFX_Break {
+class CFX_RTFBreak final : public CFX_Break {
  public:
   explicit CFX_RTFBreak(uint32_t dwLayoutStyles);
   ~CFX_RTFBreak() override;
diff --git a/xfa/fgas/layout/cfx_txtbreak.h b/xfa/fgas/layout/cfx_txtbreak.h
index 250f5820b1..47c6440dd8 100644
--- a/xfa/fgas/layout/cfx_txtbreak.h
+++ b/xfa/fgas/layout/cfx_txtbreak.h
@@ -54,7 +54,7 @@ struct FX_TXTRUN {
   bool bSkipSpace;
 };
 
-class CFX_TxtBreak : public CFX_Break {
+class CFX_TxtBreak final : public CFX_Break {
  public:
   CFX_TxtBreak();
   ~CFX_TxtBreak() override;