8 files changed, 11 insertions, 11 deletions
diff --git a/fpdfsdk/formfiller/cba_fontmap.h b/fpdfsdk/formfiller/cba_fontmap.h
index 0ca07eb984..aa4125448d 100644
--- a/fpdfsdk/formfiller/cba_fontmap.h
+++ b/fpdfsdk/formfiller/cba_fontmap.h
@@ -13,7 +13,7 @@
 class CPDF_Dictionary;
 class CPDFSDK_Annot;
 
-class CBA_FontMap : public CPWL_FontMap {
+class CBA_FontMap final : public CPWL_FontMap {
  public:
   CBA_FontMap(CPDFSDK_Annot* pAnnot, CFX_SystemHandler* pSystemHandler);
   ~CBA_FontMap() override;
diff --git a/fpdfsdk/formfiller/cffl_checkbox.h b/fpdfsdk/formfiller/cffl_checkbox.h
index 8ef3de6bca..b477fe78db 100644
--- a/fpdfsdk/formfiller/cffl_checkbox.h
+++ b/fpdfsdk/formfiller/cffl_checkbox.h
@@ -11,7 +11,7 @@
 
 class CPWL_CheckBox;
 
-class CFFL_CheckBox : public CFFL_Button {
+class CFFL_CheckBox final : public CFFL_Button {
  public:
   CFFL_CheckBox(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_CheckBox() override;
diff --git a/fpdfsdk/formfiller/cffl_combobox.h b/fpdfsdk/formfiller/cffl_combobox.h
index 7a6390e491..2769b5354c 100644
--- a/fpdfsdk/formfiller/cffl_combobox.h
+++ b/fpdfsdk/formfiller/cffl_combobox.h
@@ -19,8 +19,8 @@ struct FFL_ComboBoxState {
   WideString sValue;
 };
 
-class CFFL_ComboBox : public CFFL_TextObject,
-                      public CPWL_Wnd::FocusHandlerIface {
+class CFFL_ComboBox final : public CFFL_TextObject,
+                            public CPWL_Wnd::FocusHandlerIface {
  public:
   CFFL_ComboBox(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_ComboBox() override;
diff --git a/fpdfsdk/formfiller/cffl_interactiveformfiller.h b/fpdfsdk/formfiller/cffl_interactiveformfiller.h
index 1f049d03ef..46248d651b 100644
--- a/fpdfsdk/formfiller/cffl_interactiveformfiller.h
+++ b/fpdfsdk/formfiller/cffl_interactiveformfiller.h
@@ -21,7 +21,7 @@ class CPDFSDK_FormFillEnvironment;
 class CPDFSDK_PageView;
 class CPDFSDK_Widget;
 
-class CFFL_InteractiveFormFiller : public IPWL_Filler_Notify {
+class CFFL_InteractiveFormFiller final : public IPWL_Filler_Notify {
  public:
   explicit CFFL_InteractiveFormFiller(
       CPDFSDK_FormFillEnvironment* pFormFillEnv);
@@ -158,7 +158,7 @@ class CFFL_InteractiveFormFiller : public IPWL_Filler_Notify {
   bool m_bNotifying;
 };
 
-class CFFL_PrivateData : public CPWL_Wnd::PrivateData {
+class CFFL_PrivateData final : public CPWL_Wnd::PrivateData {
  public:
   CPDFSDK_Widget* pWidget;
   CPDFSDK_PageView* pPageView;
diff --git a/fpdfsdk/formfiller/cffl_listbox.h b/fpdfsdk/formfiller/cffl_listbox.h
index 9db3c5da1d..eda9561780 100644
--- a/fpdfsdk/formfiller/cffl_listbox.h
+++ b/fpdfsdk/formfiller/cffl_listbox.h
@@ -14,7 +14,7 @@
 
 class CBA_FontMap;
 
-class CFFL_ListBox : public CFFL_TextObject {
+class CFFL_ListBox final : public CFFL_TextObject {
  public:
   CFFL_ListBox(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_ListBox() override;
diff --git a/fpdfsdk/formfiller/cffl_pushbutton.h b/fpdfsdk/formfiller/cffl_pushbutton.h
index 7ee076764e..e2acfdceeb 100644
--- a/fpdfsdk/formfiller/cffl_pushbutton.h
+++ b/fpdfsdk/formfiller/cffl_pushbutton.h
@@ -9,7 +9,7 @@
 
 #include "fpdfsdk/formfiller/cffl_button.h"
 
-class CFFL_PushButton : public CFFL_Button {
+class CFFL_PushButton final : public CFFL_Button {
  public:
   CFFL_PushButton(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_PushButton() override;
diff --git a/fpdfsdk/formfiller/cffl_radiobutton.h b/fpdfsdk/formfiller/cffl_radiobutton.h
index 2838254708..3c20be6d76 100644
--- a/fpdfsdk/formfiller/cffl_radiobutton.h
+++ b/fpdfsdk/formfiller/cffl_radiobutton.h
@@ -11,7 +11,7 @@
 
 class CPWL_RadioButton;
 
-class CFFL_RadioButton : public CFFL_Button {
+class CFFL_RadioButton final : public CFFL_Button {
  public:
   CFFL_RadioButton(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_RadioButton() override;
diff --git a/fpdfsdk/formfiller/cffl_textfield.h b/fpdfsdk/formfiller/cffl_textfield.h
index 4d34d055a5..a1e48b6a29 100644
--- a/fpdfsdk/formfiller/cffl_textfield.h
+++ b/fpdfsdk/formfiller/cffl_textfield.h
@@ -24,8 +24,8 @@ struct FFL_TextFieldState {
   WideString sValue;
 };
 
-class CFFL_TextField : public CFFL_TextObject,
-                       public CPWL_Wnd::FocusHandlerIface {
+class CFFL_TextField final : public CFFL_TextObject,
+                             public CPWL_Wnd::FocusHandlerIface {
  public:
   CFFL_TextField(CPDFSDK_FormFillEnvironment* pApp, CPDFSDK_Widget* pWidget);
   ~CFFL_TextField() override;