6 files changed, 6 insertions, 6 deletions
diff --git a/core/fxcrt/css/cfx_csscolorvalue.h b/core/fxcrt/css/cfx_csscolorvalue.h
index f59c0c5d3d..0156caa786 100644
--- a/core/fxcrt/css/cfx_csscolorvalue.h
+++ b/core/fxcrt/css/cfx_csscolorvalue.h
@@ -9,7 +9,7 @@
 
 #include "core/fxcrt/css/cfx_cssvalue.h"
 
-class CFX_CSSColorValue : public CFX_CSSValue {
+class CFX_CSSColorValue final : public CFX_CSSValue {
  public:
   explicit CFX_CSSColorValue(FX_ARGB color);
   ~CFX_CSSColorValue() override;
diff --git a/core/fxcrt/css/cfx_csscomputedstyle.h b/core/fxcrt/css/cfx_csscomputedstyle.h
index 5080a7a3c2..f97f3f1d7d 100644
--- a/core/fxcrt/css/cfx_csscomputedstyle.h
+++ b/core/fxcrt/css/cfx_csscomputedstyle.h
@@ -15,7 +15,7 @@
 
 class CFX_CSSValueList;
 
-class CFX_CSSComputedStyle : public Retainable {
+class CFX_CSSComputedStyle final : public Retainable {
  public:
   class InheritedData {
    public:
diff --git a/core/fxcrt/css/cfx_cssenumvalue.h b/core/fxcrt/css/cfx_cssenumvalue.h
index 0d6b87e85d..c397761d5a 100644
--- a/core/fxcrt/css/cfx_cssenumvalue.h
+++ b/core/fxcrt/css/cfx_cssenumvalue.h
@@ -9,7 +9,7 @@
 
 #include "core/fxcrt/css/cfx_cssvalue.h"
 
-class CFX_CSSEnumValue : public CFX_CSSValue {
+class CFX_CSSEnumValue final : public CFX_CSSValue {
  public:
   explicit CFX_CSSEnumValue(CFX_CSSPropertyValue value);
   ~CFX_CSSEnumValue() override;
diff --git a/core/fxcrt/css/cfx_cssnumbervalue.h b/core/fxcrt/css/cfx_cssnumbervalue.h
index a49328d663..a977750f08 100644
--- a/core/fxcrt/css/cfx_cssnumbervalue.h
+++ b/core/fxcrt/css/cfx_cssnumbervalue.h
@@ -23,7 +23,7 @@ enum class CFX_CSSNumberType {
   Picas,
 };
 
-class CFX_CSSNumberValue : public CFX_CSSValue {
+class CFX_CSSNumberValue final : public CFX_CSSValue {
  public:
   CFX_CSSNumberValue(CFX_CSSNumberType type, float value);
   ~CFX_CSSNumberValue() override;
diff --git a/core/fxcrt/css/cfx_cssstringvalue.h b/core/fxcrt/css/cfx_cssstringvalue.h
index d72078a630..d49393c305 100644
--- a/core/fxcrt/css/cfx_cssstringvalue.h
+++ b/core/fxcrt/css/cfx_cssstringvalue.h
@@ -9,7 +9,7 @@
 
 #include "core/fxcrt/css/cfx_cssvalue.h"
 
-class CFX_CSSStringValue : public CFX_CSSValue {
+class CFX_CSSStringValue final : public CFX_CSSValue {
  public:
   explicit CFX_CSSStringValue(const WideString& value);
   ~CFX_CSSStringValue() override;
diff --git a/core/fxcrt/css/cfx_cssvaluelist.h b/core/fxcrt/css/cfx_cssvaluelist.h
index d2b0c6e7d1..5e04c649b9 100644
--- a/core/fxcrt/css/cfx_cssvaluelist.h
+++ b/core/fxcrt/css/cfx_cssvaluelist.h
@@ -11,7 +11,7 @@
 
 #include "core/fxcrt/css/cfx_cssvalue.h"
 
-class CFX_CSSValueList : public CFX_CSSValue {
+class CFX_CSSValueList final : public CFX_CSSValue {
  public:
   explicit CFX_CSSValueList(std::vector<RetainPtr<CFX_CSSValue>>& list);
   ~CFX_CSSValueList() override;