The final game: mark everything final.

Then revert the ones that break compilation.
Fix one IWYU noticed during presubmit.

Change-Id: I881a8a72818e55dbc4816247e35ff5e3015194e7
Reviewed-on: https://pdfium-review.googlesource.com/41470
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

9 files changed, 20 insertions, 20 deletions

diff --git a/fpdfsdk/pwl/cpwl_appstream.cpp b/fpdfsdk/pwl/cpwl_appstream.cpp
index 7d7f710f03..4175b8ef2a 100644
--- a/fpdfsdk/pwl/cpwl_appstream.cpp
+++ b/fpdfsdk/pwl/cpwl_appstream.cpp
@@ -92,7 +92,7 @@ class AutoClosedCommand {
   ByteString close_;
 };
 
-class AutoClosedQCommand : public AutoClosedCommand {
+class AutoClosedQCommand final : public AutoClosedCommand {
  public:
   explicit AutoClosedQCommand(std::ostringstream* stream)
       : AutoClosedCommand(stream, kStateSaveOperator, kStateRestoreOperator) {}
diff --git a/fpdfsdk/pwl/cpwl_caret.h b/fpdfsdk/pwl/cpwl_caret.h
index d60a96419b..1f7c2b84d4 100644
--- a/fpdfsdk/pwl/cpwl_caret.h
+++ b/fpdfsdk/pwl/cpwl_caret.h
@@ -9,7 +9,7 @@
 
 #include "fpdfsdk/pwl/cpwl_wnd.h"
 
-class CPWL_Caret : public CPWL_Wnd {
+class CPWL_Caret final : public CPWL_Wnd {
  public:
   CPWL_Caret();
   ~CPWL_Caret() override;
diff --git a/fpdfsdk/pwl/cpwl_combo_box.h b/fpdfsdk/pwl/cpwl_combo_box.h
index a4e823c4dc..d3c55c2a64 100644
--- a/fpdfsdk/pwl/cpwl_combo_box.h
+++ b/fpdfsdk/pwl/cpwl_combo_box.h
@@ -14,7 +14,7 @@
 #include "fpdfsdk/pwl/cpwl_list_box.h"
 #include "fpdfsdk/pwl/cpwl_wnd.h"
 
-class CPWL_CBListBox : public CPWL_ListBox {
+class CPWL_CBListBox final : public CPWL_ListBox {
  public:
   CPWL_CBListBox() {}
   ~CPWL_CBListBox() override {}
@@ -28,7 +28,7 @@ class CPWL_CBListBox : public CPWL_ListBox {
   bool OnCharNotify(uint16_t nChar, uint32_t nFlag);
 };
 
-class CPWL_CBButton : public CPWL_Wnd {
+class CPWL_CBButton final : public CPWL_Wnd {
  public:
   CPWL_CBButton() {}
   ~CPWL_CBButton() override {}
@@ -40,7 +40,7 @@ class CPWL_CBButton : public CPWL_Wnd {
   bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override;
 };
 
-class CPWL_ComboBox : public CPWL_Wnd {
+class CPWL_ComboBox final : public CPWL_Wnd {
  public:
   CPWL_ComboBox();
   ~CPWL_ComboBox() override;
diff --git a/fpdfsdk/pwl/cpwl_edit.h b/fpdfsdk/pwl/cpwl_edit.h
index 4a17de49d4..f7429c9d2d 100644
--- a/fpdfsdk/pwl/cpwl_edit.h
+++ b/fpdfsdk/pwl/cpwl_edit.h
@@ -41,7 +41,7 @@ class IPWL_Filler_Notify {
 #endif  // PDF_ENABLE_XFA
 };
 
-class CPWL_Edit : public CPWL_EditCtrl {
+class CPWL_Edit final : public CPWL_EditCtrl {
  public:
   CPWL_Edit();
   ~CPWL_Edit() override;
diff --git a/fpdfsdk/pwl/cpwl_edit_impl.h b/fpdfsdk/pwl/cpwl_edit_impl.h
index 8680885e63..743afae6b6 100644
--- a/fpdfsdk/pwl/cpwl_edit_impl.h
+++ b/fpdfsdk/pwl/cpwl_edit_impl.h
@@ -102,7 +102,7 @@ class IFX_Edit_UndoItem {
   virtual void Redo() = 0;
 };
 
-class CFXEU_InsertWord : public IFX_Edit_UndoItem {
+class CFXEU_InsertWord final : public IFX_Edit_UndoItem {
  public:
   CFXEU_InsertWord(CPWL_EditImpl* pEdit,
                    const CPVT_WordPlace& wpOldPlace,
@@ -124,7 +124,7 @@ class CFXEU_InsertWord : public IFX_Edit_UndoItem {
   int32_t m_nCharset;
 };
 
-class CFXEU_InsertReturn : public IFX_Edit_UndoItem {
+class CFXEU_InsertReturn final : public IFX_Edit_UndoItem {
  public:
   CFXEU_InsertReturn(CPWL_EditImpl* pEdit,
                      const CPVT_WordPlace& wpOldPlace,
@@ -142,7 +142,7 @@ class CFXEU_InsertReturn : public IFX_Edit_UndoItem {
   CPVT_WordPlace m_wpNew;
 };
 
-class CFXEU_Backspace : public IFX_Edit_UndoItem {
+class CFXEU_Backspace final : public IFX_Edit_UndoItem {
  public:
   CFXEU_Backspace(CPWL_EditImpl* pEdit,
                   const CPVT_WordPlace& wpOldPlace,
@@ -164,7 +164,7 @@ class CFXEU_Backspace : public IFX_Edit_UndoItem {
   int32_t m_nCharset;
 };
 
-class CFXEU_Delete : public IFX_Edit_UndoItem {
+class CFXEU_Delete final : public IFX_Edit_UndoItem {
  public:
   CFXEU_Delete(CPWL_EditImpl* pEdit,
                const CPVT_WordPlace& wpOldPlace,
@@ -188,7 +188,7 @@ class CFXEU_Delete : public IFX_Edit_UndoItem {
   bool m_bSecEnd;
 };
 
-class CFXEU_Clear : public IFX_Edit_UndoItem {
+class CFXEU_Clear final : public IFX_Edit_UndoItem {
  public:
   CFXEU_Clear(CPWL_EditImpl* pEdit,
               const CPVT_WordRange& wrSel,
@@ -206,7 +206,7 @@ class CFXEU_Clear : public IFX_Edit_UndoItem {
   WideString m_swText;
 };
 
-class CFXEU_InsertText : public IFX_Edit_UndoItem {
+class CFXEU_InsertText final : public IFX_Edit_UndoItem {
  public:
   CFXEU_InsertText(CPWL_EditImpl* pEdit,
                    const CPVT_WordPlace& wpOldPlace,
@@ -415,7 +415,7 @@ class CPWL_EditImpl_Iterator {
   CPDF_VariableText::Iterator* m_pVTIterator;
 };
 
-class CPWL_EditImpl_Provider : public CPDF_VariableText::Provider {
+class CPWL_EditImpl_Provider final : public CPDF_VariableText::Provider {
  public:
   explicit CPWL_EditImpl_Provider(IPVT_FontMap* pFontMap);
   ~CPWL_EditImpl_Provider() override;
diff --git a/fpdfsdk/pwl/cpwl_icon.h b/fpdfsdk/pwl/cpwl_icon.h
index df88465a5a..2cb84ebcf6 100644
--- a/fpdfsdk/pwl/cpwl_icon.h
+++ b/fpdfsdk/pwl/cpwl_icon.h
@@ -13,7 +13,7 @@
 #include "core/fxcrt/unowned_ptr.h"
 #include "fpdfsdk/pwl/cpwl_wnd.h"
 
-class CPWL_Icon : public CPWL_Wnd {
+class CPWL_Icon final : public CPWL_Wnd {
  public:
   CPWL_Icon();
   ~CPWL_Icon() override;
diff --git a/fpdfsdk/pwl/cpwl_scroll_bar.h b/fpdfsdk/pwl/cpwl_scroll_bar.h
index 1437597fbe..0b63bf224d 100644
--- a/fpdfsdk/pwl/cpwl_scroll_bar.h
+++ b/fpdfsdk/pwl/cpwl_scroll_bar.h
@@ -42,7 +42,7 @@ enum PWL_SCROLLBAR_TYPE { SBT_HSCROLL, SBT_VSCROLL };
 
 enum PWL_SBBUTTON_TYPE { PSBT_MIN, PSBT_MAX, PSBT_POS };
 
-class CPWL_SBButton : public CPWL_Wnd {
+class CPWL_SBButton final : public CPWL_Wnd {
  public:
   CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,
                 PWL_SBBUTTON_TYPE eButtonType);
@@ -115,7 +115,7 @@ struct PWL_SCROLL_PRIVATEDATA {
   float fSmallStep;
 };
 
-class CPWL_ScrollBar : public CPWL_Wnd {
+class CPWL_ScrollBar final : public CPWL_Wnd {
  public:
   explicit CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType);
   ~CPWL_ScrollBar() override;
diff --git a/fpdfsdk/pwl/cpwl_special_button.h b/fpdfsdk/pwl/cpwl_special_button.h
index 076b5298ed..b980f84625 100644
--- a/fpdfsdk/pwl/cpwl_special_button.h
+++ b/fpdfsdk/pwl/cpwl_special_button.h
@@ -9,7 +9,7 @@
 
 #include "fpdfsdk/pwl/cpwl_button.h"
 
-class CPWL_PushButton : public CPWL_Button {
+class CPWL_PushButton final : public CPWL_Button {
  public:
   CPWL_PushButton();
   ~CPWL_PushButton() override;
@@ -19,7 +19,7 @@ class CPWL_PushButton : public CPWL_Button {
   CFX_FloatRect GetFocusRect() const override;
 };
 
-class CPWL_CheckBox : public CPWL_Button {
+class CPWL_CheckBox final : public CPWL_Button {
  public:
   CPWL_CheckBox();
   ~CPWL_CheckBox() override;
@@ -36,7 +36,7 @@ class CPWL_CheckBox : public CPWL_Button {
   bool m_bChecked;
 };
 
-class CPWL_RadioButton : public CPWL_Button {
+class CPWL_RadioButton final : public CPWL_Button {
  public:
   CPWL_RadioButton();
   ~CPWL_RadioButton() override;
diff --git a/fpdfsdk/pwl/cpwl_wnd.cpp b/fpdfsdk/pwl/cpwl_wnd.cpp
index 6b840f2bb2..1cd9461af4 100644
--- a/fpdfsdk/pwl/cpwl_wnd.cpp
+++ b/fpdfsdk/pwl/cpwl_wnd.cpp
@@ -39,7 +39,7 @@ CPWL_Wnd::CreateParams::CreateParams(const CreateParams& other) = default;
 
 CPWL_Wnd::CreateParams::~CreateParams() = default;
 
-class CPWL_MsgControl : public Observable<CPWL_MsgControl> {
+class CPWL_MsgControl final : public Observable<CPWL_MsgControl> {
  public:
   explicit CPWL_MsgControl(CPWL_Wnd* pWnd) : m_pCreatedWnd(pWnd) {}
   ~CPWL_MsgControl() {}