6 files changed, 9 insertions, 9 deletions
diff --git a/core/fpdfapi/font/cfx_cttgsubtable.h b/core/fpdfapi/font/cfx_cttgsubtable.h
index ff488a5ed7..6b23a8db27 100644
--- a/core/fpdfapi/font/cfx_cttgsubtable.h
+++ b/core/fpdfapi/font/cfx_cttgsubtable.h
@@ -64,14 +64,14 @@ class CFX_CTTGSUBTable {
     uint16_t CoverageFormat;
   };
 
-  struct TCoverageFormat1 : public TCoverageFormatBase {
+  struct TCoverageFormat1 final : public TCoverageFormatBase {
     TCoverageFormat1();
     ~TCoverageFormat1() override;
 
     std::vector<uint16_t> GlyphArray;
   };
 
-  struct TCoverageFormat2 : public TCoverageFormatBase {
+  struct TCoverageFormat2 final : public TCoverageFormatBase {
     TCoverageFormat2();
     ~TCoverageFormat2() override;
 
@@ -94,14 +94,14 @@ class CFX_CTTGSUBTable {
     uint16_t SubstFormat;
   };
 
-  struct TSubTable1 : public TSubTableBase {
+  struct TSubTable1 final : public TSubTableBase {
     TSubTable1();
     ~TSubTable1() override;
 
     int16_t DeltaGlyphID;
   };
 
-  struct TSubTable2 : public TSubTableBase {
+  struct TSubTable2 final : public TSubTableBase {
     TSubTable2();
     ~TSubTable2() override;
 
diff --git a/core/fpdfapi/font/cpdf_cidfont.h b/core/fpdfapi/font/cpdf_cidfont.h
index 9dde95d75e..7aeb54b877 100644
--- a/core/fpdfapi/font/cpdf_cidfont.h
+++ b/core/fpdfapi/font/cpdf_cidfont.h
@@ -32,7 +32,7 @@ class CPDF_CID2UnicodeMap;
 class CPDF_CMap;
 class CPDF_StreamAcc;
 
-class CPDF_CIDFont : public CPDF_Font {
+class CPDF_CIDFont final : public CPDF_Font {
  public:
   CPDF_CIDFont(CPDF_Document* pDocument, CPDF_Dictionary* pFontDict);
   ~CPDF_CIDFont() override;
diff --git a/core/fpdfapi/font/cpdf_cmap.h b/core/fpdfapi/font/cpdf_cmap.h
index 45053bdfb5..228c207876 100644
--- a/core/fpdfapi/font/cpdf_cmap.h
+++ b/core/fpdfapi/font/cpdf_cmap.h
@@ -27,7 +27,7 @@ enum CIDCoding : uint8_t {
   CIDCODING_UTF16,
 };
 
-class CPDF_CMap : public Retainable {
+class CPDF_CMap final : public Retainable {
  public:
   enum CodingScheme : uint8_t {
     OneByte,
diff --git a/core/fpdfapi/font/cpdf_truetypefont.h b/core/fpdfapi/font/cpdf_truetypefont.h
index d63e8f105a..a3066d74fa 100644
--- a/core/fpdfapi/font/cpdf_truetypefont.h
+++ b/core/fpdfapi/font/cpdf_truetypefont.h
@@ -10,7 +10,7 @@
 #include "core/fpdfapi/font/cpdf_simplefont.h"
 #include "core/fxcrt/fx_system.h"
 
-class CPDF_TrueTypeFont : public CPDF_SimpleFont {
+class CPDF_TrueTypeFont final : public CPDF_SimpleFont {
  public:
   CPDF_TrueTypeFont(CPDF_Document* pDocument, CPDF_Dictionary* pFontDict);
   ~CPDF_TrueTypeFont() override;
diff --git a/core/fpdfapi/font/cpdf_type1font.h b/core/fpdfapi/font/cpdf_type1font.h
index cbcb9af3b1..0fdfa807d3 100644
--- a/core/fpdfapi/font/cpdf_type1font.h
+++ b/core/fpdfapi/font/cpdf_type1font.h
@@ -10,7 +10,7 @@
 #include "core/fpdfapi/font/cpdf_simplefont.h"
 #include "core/fxcrt/fx_system.h"
 
-class CPDF_Type1Font : public CPDF_SimpleFont {
+class CPDF_Type1Font final : public CPDF_SimpleFont {
  public:
   CPDF_Type1Font(CPDF_Document* pDocument, CPDF_Dictionary* pFontDict);
   ~CPDF_Type1Font() override;
diff --git a/core/fpdfapi/font/cpdf_type3font.h b/core/fpdfapi/font/cpdf_type3font.h
index 0be1fa3f69..d85bf701df 100644
--- a/core/fpdfapi/font/cpdf_type3font.h
+++ b/core/fpdfapi/font/cpdf_type3font.h
@@ -17,7 +17,7 @@
 class CPDF_Dictionary;
 class CPDF_Type3Char;
 
-class CPDF_Type3Font : public CPDF_SimpleFont {
+class CPDF_Type3Font final : public CPDF_SimpleFont {
  public:
   CPDF_Type3Font(CPDF_Document* pDocument, CPDF_Dictionary* pFontDict);
   ~CPDF_Type3Font() override;