Remove unused code.

This cl removes code that exists but is never called. This includes:

 * cfwl_formtp
 * cfwl_widgetdelegate
 * cfwl_scrollbar
 * cfwl_theme
 * cfwl_tooltip
 * PWL_Label
 * PWL_ListCtrl
 * PWL_Signature
 * PWL_IconList
 * BC_ResultPoint
 * BC_CommonPerspectiveTransform
 * BC_CommonBitSource
 * BC_PDF417Codeword
 * fx_codec_flate.h (the .cpp file still exists)

Review-Url: https://codereview.chromium.org/2071953002

8 files changed, 0 insertions, 1279 deletions

diff --git a/fpdfsdk/pdfwindow/PWL_IconList.cpp b/fpdfsdk/pdfwindow/PWL_IconList.cpp
deleted file mode 100644
index 26d6c92ea4..0000000000
--- a/fpdfsdk/pdfwindow/PWL_IconList.cpp
+++ /dev/null
@@ -1,478 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "fpdfsdk/pdfwindow/PWL_IconList.h"
-
-#include "fpdfsdk/pdfwindow/PWL_Label.h"
-#include "fpdfsdk/pdfwindow/PWL_ListCtrl.h"
-#include "fpdfsdk/pdfwindow/PWL_ScrollBar.h"
-#include "fpdfsdk/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-#include "public/fpdf_fwlevent.h"
-
-#define PWL_IconList_ITEM_ICON_LEFTMARGIN 10.0f
-#define PWL_IconList_ITEM_WIDTH 20.0f
-#define PWL_IconList_ITEM_HEIGHT 20.0f
-#define PWL_IconList_ITEM_SPACE 4.0f
-
-CPWL_IconList_Item::CPWL_IconList_Item()
-    : m_nIconIndex(-1),
-      m_pData(nullptr),
-      m_bSelected(FALSE),
-      m_pText(nullptr) {}
-
-CPWL_IconList_Item::~CPWL_IconList_Item() {}
-
-CFX_ByteString CPWL_IconList_Item::GetClassName() const {
-  return "CPWL_IconList_Item";
-}
-
-FX_FLOAT CPWL_IconList_Item::GetItemHeight(FX_FLOAT fLimitWidth) {
-  return PWL_IconList_ITEM_HEIGHT;
-}
-
-void CPWL_IconList_Item::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                            CFX_Matrix* pUser2Device) {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  if (m_bSelected) {
-    if (IsEnabled()) {
-      CPWL_Utils::DrawFillRect(
-          pDevice, pUser2Device, rcClient,
-          CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_SELBACKCOLOR,
-                                        GetTransparency()));
-    } else {
-      CPWL_Utils::DrawFillRect(
-          pDevice, pUser2Device, rcClient,
-          CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_LIGHTGRAYCOLOR,
-                                        GetTransparency()));
-    }
-  }
-
-  CFX_FloatRect rcIcon = rcClient;
-  rcIcon.left += PWL_IconList_ITEM_ICON_LEFTMARGIN;
-  rcIcon.right = rcIcon.left + PWL_IconList_ITEM_WIDTH;
-
-  CPWL_Utils::DrawIconAppStream(pDevice, pUser2Device, m_nIconIndex, rcIcon,
-                                m_crIcon, m_pText->GetTextColor(),
-                                GetTransparency());
-}
-
-void CPWL_IconList_Item::SetSelect(FX_BOOL bSelected) {
-  m_bSelected = bSelected;
-
-  if (bSelected)
-    m_pText->SetTextColor(PWL_DEFAULT_WHITECOLOR);
-  else
-    m_pText->SetTextColor(PWL_DEFAULT_BLACKCOLOR);
-}
-
-FX_BOOL CPWL_IconList_Item::IsSelected() const {
-  return m_bSelected;
-}
-
-void CPWL_IconList_Item::CreateChildWnd(const PWL_CREATEPARAM& cp) {
-  m_pText = new CPWL_Label;
-
-  PWL_CREATEPARAM lcp = cp;
-  lcp.pParentWnd = this;
-  lcp.dwFlags = PWS_CHILD | PWS_VISIBLE | PES_LEFT | PES_CENTER;
-  lcp.sTextColor = PWL_DEFAULT_BLACKCOLOR;
-  lcp.fFontSize = 12;
-  m_pText->Create(lcp);
-}
-
-void CPWL_IconList_Item::SetData(void* pData) {
-  m_pData = pData;
-}
-
-void CPWL_IconList_Item::SetIcon(int32_t nIconIndex) {
-  m_nIconIndex = nIconIndex;
-}
-
-void CPWL_IconList_Item::SetText(const CFX_WideString& str) {
-  m_pText->SetText(str.c_str());
-}
-
-CFX_WideString CPWL_IconList_Item::GetText() const {
-  return m_pText->GetText();
-}
-
-void CPWL_IconList_Item::RePosChildWnd() {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  rcClient.left +=
-      (PWL_IconList_ITEM_ICON_LEFTMARGIN + PWL_IconList_ITEM_WIDTH +
-       PWL_IconList_ITEM_ICON_LEFTMARGIN);
-
-  m_pText->Move(rcClient, TRUE, FALSE);
-}
-
-void CPWL_IconList_Item::SetIconFillColor(const CPWL_Color& color) {
-  m_crIcon = color;
-}
-
-void CPWL_IconList_Item::OnEnabled() {
-  if (m_bSelected)
-    m_pText->SetTextColor(PWL_DEFAULT_WHITECOLOR);
-  else
-    m_pText->SetTextColor(PWL_DEFAULT_BLACKCOLOR);
-
-  InvalidateRect();
-}
-
-void CPWL_IconList_Item::OnDisabled() {
-  m_pText->SetTextColor(PWL_DEFAULT_HEAVYGRAYCOLOR);
-
-  InvalidateRect();
-}
-
-CPWL_IconList_Content::CPWL_IconList_Content(int32_t nListCount)
-    : m_nSelectIndex(-1),
-      m_bMouseDown(FALSE),
-      m_nListCount(nListCount) {}
-
-CPWL_IconList_Content::~CPWL_IconList_Content() {}
-
-void CPWL_IconList_Content::CreateChildWnd(const PWL_CREATEPARAM& cp) {
-  for (int32_t i = 0; i < m_nListCount; i++) {
-    CPWL_IconList_Item* pNewItem = new CPWL_IconList_Item();
-
-    PWL_CREATEPARAM icp = cp;
-    icp.pParentWnd = this;
-    icp.dwFlags = PWS_CHILD | PWS_VISIBLE | PWS_NOREFRESHCLIP;
-    pNewItem->Create(icp);
-  }
-
-  SetItemSpace(PWL_IconList_ITEM_SPACE);
-  ResetContent(0);
-
-  if (CPWL_Wnd* pParent = GetParentWindow()) {
-    CFX_FloatRect rcScroll = GetScrollArea();
-    GetScrollPos();
-
-    PWL_SCROLL_INFO sInfo;
-    sInfo.fContentMin = rcScroll.bottom;
-    sInfo.fContentMax = rcScroll.top;
-    sInfo.fPlateWidth = GetClientRect().Height();
-    sInfo.fSmallStep = 13.0f;
-    sInfo.fBigStep = sInfo.fPlateWidth;
-
-    pParent->OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (intptr_t)&sInfo);
-  }
-}
-
-FX_BOOL CPWL_IconList_Content::OnLButtonDown(const CFX_FloatPoint& point,
-                                             uint32_t nFlag) {
-  SetFocus();
-
-  SetCapture();
-  m_bMouseDown = TRUE;
-
-  int32_t nItemIndex = FindItemIndex(point);
-  SetSelect(nItemIndex);
-  ScrollToItem(nItemIndex);
-
-  return TRUE;
-}
-
-FX_BOOL CPWL_IconList_Content::OnLButtonUp(const CFX_FloatPoint& point,
-                                           uint32_t nFlag) {
-  m_bMouseDown = FALSE;
-  ReleaseCapture();
-
-  return TRUE;
-}
-
-FX_BOOL CPWL_IconList_Content::OnMouseMove(const CFX_FloatPoint& point,
-                                           uint32_t nFlag) {
-  if (m_bMouseDown) {
-    int32_t nItemIndex = FindItemIndex(point);
-    SetSelect(nItemIndex);
-    ScrollToItem(nItemIndex);
-  }
-
-  return TRUE;
-}
-
-FX_BOOL CPWL_IconList_Content::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
-  switch (nChar) {
-    case FWL_VKEY_Up:
-      if (m_nSelectIndex > 0) {
-        int32_t nItemIndex = m_nSelectIndex - 1;
-        SetSelect(nItemIndex);
-        ScrollToItem(nItemIndex);
-      }
-      return TRUE;
-    case FWL_VKEY_Down:
-      if (m_nSelectIndex < m_nListCount - 1) {
-        int32_t nItemIndex = m_nSelectIndex + 1;
-        SetSelect(nItemIndex);
-        ScrollToItem(nItemIndex);
-      }
-      return TRUE;
-  }
-
-  return FALSE;
-}
-
-int32_t CPWL_IconList_Content::FindItemIndex(const CFX_FloatPoint& point) {
-  int32_t nIndex = 0;
-  for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) {
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) {
-      CFX_FloatRect rcWnd = pChild->ChildToParent(pChild->GetWindowRect());
-
-      if (point.y < rcWnd.top) {
-        nIndex = i;
-      }
-    }
-  }
-
-  return nIndex;
-}
-
-void CPWL_IconList_Content::ScrollToItem(int32_t nItemIndex) {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) {
-    CFX_FloatRect rcOrigin = pItem->GetWindowRect();
-    CFX_FloatRect rcWnd = pItem->ChildToParent(rcOrigin);
-
-    if (!(rcWnd.bottom > rcClient.bottom && rcWnd.top < rcClient.top)) {
-      CFX_FloatPoint ptScroll = GetScrollPos();
-
-      if (rcWnd.top > rcClient.top) {
-        ptScroll.y = rcOrigin.top;
-      } else if (rcWnd.bottom < rcClient.bottom) {
-        ptScroll.y = rcOrigin.bottom + rcClient.Height();
-      }
-
-      SetScrollPos(ptScroll);
-      ResetFace();
-      InvalidateRect();
-      if (CPWL_Wnd* pParent = GetParentWindow()) {
-        pParent->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL,
-                          (intptr_t)&ptScroll.y);
-      }
-    }
-  }
-}
-
-void CPWL_IconList_Content::SetSelect(int32_t nIndex) {
-  if (m_nSelectIndex == nIndex)
-    return;
-
-  SelectItem(m_nSelectIndex, FALSE);
-  SelectItem(nIndex, TRUE);
-  m_nSelectIndex = nIndex;
-}
-
-int32_t CPWL_IconList_Content::GetSelect() const {
-  return m_nSelectIndex;
-}
-
-void CPWL_IconList_Content::SelectItem(int32_t nItemIndex, FX_BOOL bSelect) {
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex)) {
-    pItem->SetSelect(bSelect);
-    pItem->InvalidateRect();
-  }
-}
-
-CPWL_IconList_Item* CPWL_IconList_Content::GetListItem(
-    int32_t nItemIndex) const {
-  if (nItemIndex >= 0 && nItemIndex < m_aChildren.GetSize()) {
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(nItemIndex)) {
-      if (pChild->GetClassName() == "CPWL_IconList_Item") {
-        return (CPWL_IconList_Item*)pChild;
-      }
-    }
-  }
-
-  return nullptr;
-}
-
-void CPWL_IconList_Content::SetListData(int32_t nItemIndex, void* pData) {
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex))
-    pItem->SetData(pData);
-}
-
-void CPWL_IconList_Content::SetListIcon(int32_t nItemIndex,
-                                        int32_t nIconIndex) {
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex))
-    pItem->SetIcon(nIconIndex);
-}
-
-void CPWL_IconList_Content::SetListString(int32_t nItemIndex,
-                                          const CFX_WideString& str) {
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex))
-    pItem->SetText(str);
-}
-
-CFX_WideString CPWL_IconList_Content::GetListString(int32_t nItemIndex) const {
-  if (CPWL_IconList_Item* pItem = GetListItem(nItemIndex))
-    return pItem->GetText();
-
-  return L"";
-}
-
-void CPWL_IconList_Content::SetIconFillColor(const CPWL_Color& color) {
-  for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) {
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) {
-      if (pChild->GetClassName() == "CPWL_IconList_Item") {
-        CPWL_IconList_Item* pItem = (CPWL_IconList_Item*)pChild;
-        pItem->SetIconFillColor(color);
-        pItem->InvalidateRect();
-      }
-    }
-  }
-}
-
-CPWL_IconList::CPWL_IconList(int32_t nListCount)
-    : m_pListContent(nullptr), m_nListCount(nListCount) {}
-
-CPWL_IconList::~CPWL_IconList() {}
-
-void CPWL_IconList::RePosChildWnd() {
-  CPWL_Wnd::RePosChildWnd();
-
-  if (m_pListContent)
-    m_pListContent->Move(GetClientRect(), TRUE, FALSE);
-}
-
-void CPWL_IconList::CreateChildWnd(const PWL_CREATEPARAM& cp) {
-  m_pListContent = new CPWL_IconList_Content(m_nListCount);
-
-  PWL_CREATEPARAM ccp = cp;
-  ccp.pParentWnd = this;
-  ccp.dwFlags = PWS_CHILD | PWS_VISIBLE;
-  m_pListContent->Create(ccp);
-}
-
-void CPWL_IconList::OnCreated() {
-  if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) {
-    pScrollBar->RemoveFlag(PWS_AUTOTRANSPARENT);
-    pScrollBar->SetTransparency(255);
-    pScrollBar->SetNotifyForever(TRUE);
-  }
-}
-
-void CPWL_IconList::OnNotify(CPWL_Wnd* pWnd,
-                             uint32_t msg,
-                             intptr_t wParam,
-                             intptr_t lParam) {
-  CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
-
-  if (wParam == SBT_VSCROLL) {
-    switch (msg) {
-      case PNM_SETSCROLLINFO:
-        if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam) {
-          if (CPWL_ScrollBar* pScrollBar = GetVScrollBar()) {
-            if (pInfo->fContentMax - pInfo->fContentMin > pInfo->fPlateWidth) {
-              if (!pScrollBar->IsVisible()) {
-                pScrollBar->SetVisible(TRUE);
-                RePosChildWnd();
-              } else {
-              }
-            } else {
-              if (pScrollBar->IsVisible()) {
-                pScrollBar->SetVisible(FALSE);
-                RePosChildWnd();
-              }
-
-              if (m_pListContent)
-                m_pListContent->SetScrollPos(CFX_FloatPoint(0.0f, 0.0f));
-            }
-
-            pScrollBar->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam);
-          }
-        }
-        return;
-      case PNM_SCROLLWINDOW:
-        if (m_pListContent) {
-          m_pListContent->SetScrollPos(
-              CFX_FloatPoint(0.0f, *(FX_FLOAT*)lParam));
-          m_pListContent->ResetFace();
-          m_pListContent->InvalidateRect(nullptr);
-        }
-        return;
-      case PNM_SETSCROLLPOS:
-        if (CPWL_ScrollBar* pScrollBar = GetVScrollBar())
-          pScrollBar->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam);
-        return;
-    }
-  }
-}
-
-void CPWL_IconList::SetSelect(int32_t nIndex) {
-  m_pListContent->SetSelect(nIndex);
-}
-
-void CPWL_IconList::SetTopItem(int32_t nIndex) {
-  m_pListContent->ScrollToItem(nIndex);
-}
-
-int32_t CPWL_IconList::GetSelect() const {
-  return m_pListContent->GetSelect();
-}
-
-void CPWL_IconList::SetListData(int32_t nItemIndex, void* pData) {
-  m_pListContent->SetListData(nItemIndex, pData);
-}
-
-void CPWL_IconList::SetListIcon(int32_t nItemIndex, int32_t nIconIndex) {
-  m_pListContent->SetListIcon(nItemIndex, nIconIndex);
-}
-
-void CPWL_IconList::SetListString(int32_t nItemIndex,
-                                  const CFX_WideString& str) {
-  m_pListContent->SetListString(nItemIndex, str);
-}
-
-CFX_WideString CPWL_IconList::GetListString(int32_t nItemIndex) const {
-  return m_pListContent->GetListString(nItemIndex);
-}
-
-void CPWL_IconList::SetIconFillColor(const CPWL_Color& color) {
-  m_pListContent->SetIconFillColor(color);
-}
-
-FX_BOOL CPWL_IconList::OnMouseWheel(short zDelta,
-                                    const CFX_FloatPoint& point,
-                                    uint32_t nFlag) {
-  CFX_FloatPoint ptScroll = m_pListContent->GetScrollPos();
-  CFX_FloatRect rcScroll = m_pListContent->GetScrollArea();
-  CFX_FloatRect rcContents = m_pListContent->GetClientRect();
-
-  if (rcScroll.top - rcScroll.bottom > rcContents.Height()) {
-    CFX_FloatPoint ptNew = ptScroll;
-
-    if (zDelta > 0)
-      ptNew.y += 30;
-    else
-      ptNew.y -= 30;
-
-    if (ptNew.y > rcScroll.top)
-      ptNew.y = rcScroll.top;
-    if (ptNew.y < rcScroll.bottom + rcContents.Height())
-      ptNew.y = rcScroll.bottom + rcContents.Height();
-    if (ptNew.y < rcScroll.bottom)
-      ptNew.y = rcScroll.bottom;
-
-    if (ptNew.y != ptScroll.y) {
-      m_pListContent->SetScrollPos(ptNew);
-      m_pListContent->ResetFace();
-      m_pListContent->InvalidateRect(nullptr);
-
-      if (CPWL_ScrollBar* pScrollBar = GetVScrollBar())
-        pScrollBar->OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL,
-                             (intptr_t)&ptNew.y);
-
-      return TRUE;
-    }
-  }
-
-  return FALSE;
-}
diff --git a/fpdfsdk/pdfwindow/PWL_IconList.h b/fpdfsdk/pdfwindow/PWL_IconList.h
deleted file mode 100644
index 901f4de976..0000000000
--- a/fpdfsdk/pdfwindow/PWL_IconList.h
+++ /dev/null
@@ -1,115 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef FPDFSDK_PDFWINDOW_PWL_ICONLIST_H_
-#define FPDFSDK_PDFWINDOW_PWL_ICONLIST_H_
-
-#include "core/fxcrt/include/fx_string.h"
-#include "fpdfsdk/pdfwindow/PWL_ListCtrl.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-class CPWL_IconList_Item;
-class CPWL_IconList_Content;
-class CPWL_IconList;
-class CPWL_Label;
-
-class CPWL_IconList_Item : public CPWL_Wnd {
- public:
-  CPWL_IconList_Item();
-  ~CPWL_IconList_Item() override;
-
-  void SetSelect(FX_BOOL bSelected);
-  FX_BOOL IsSelected() const;
-  void SetData(void* pData);
-  void SetIcon(int32_t nIconIndex);
-  void SetText(const CFX_WideString& str);
-  void SetIconFillColor(const CPWL_Color& color);
-  CFX_WideString GetText() const;
-
- protected:
-  // CPWL_Wnd
-  CFX_ByteString GetClassName() const override;
-  void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
-  void RePosChildWnd() override;
-  FX_FLOAT GetItemHeight(FX_FLOAT fLimitWidth) override;
-  void DrawThisAppearance(CFX_RenderDevice* pDevice,
-                          CFX_Matrix* pUser2Device) override;
-  void OnEnabled() override;
-  void OnDisabled() override;
-
- private:
-  int32_t m_nIconIndex;
-  void* m_pData;
-  FX_BOOL m_bSelected;
-  CPWL_Label* m_pText;
-  CPWL_Color m_crIcon;
-};
-
-class CPWL_IconList_Content : public CPWL_ListCtrl {
- public:
-  CPWL_IconList_Content(int32_t nListCount);
-  ~CPWL_IconList_Content() override;
-
-  void SetSelect(int32_t nIndex);
-  int32_t GetSelect() const;
-  void SetListData(int32_t nItemIndex, void* pData);
-  void SetListIcon(int32_t nItemIndex, int32_t nIconIndex);
-  void SetListString(int32_t nItemIndex, const CFX_WideString& str);
-  void SetIconFillColor(const CPWL_Color& color);
-  CFX_WideString GetListString(int32_t nItemIndex) const;
-  void ScrollToItem(int32_t nItemIndex);
-
- protected:
-  // CPWL_ListCtrl
-  void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
-  FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, uint32_t nFlag) override;
-  FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, uint32_t nFlag) override;
-  FX_BOOL OnMouseMove(const CFX_FloatPoint& point, uint32_t nFlag) override;
-  FX_BOOL OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
-
- private:
-  CPWL_IconList_Item* GetListItem(int32_t nItemIndex) const;
-  void SelectItem(int32_t nItemIndex, FX_BOOL bSelect);
-  int32_t FindItemIndex(const CFX_FloatPoint& point);
-
-  int32_t m_nSelectIndex;
-  FX_BOOL m_bMouseDown;
-  int32_t m_nListCount;
-};
-
-class CPWL_IconList : public CPWL_Wnd {
- public:
-  CPWL_IconList(int32_t nListCount);
-  ~CPWL_IconList() override;
-
-  void SetSelect(int32_t nIndex);
-  void SetTopItem(int32_t nIndex);
-  int32_t GetSelect() const;
-  void SetListData(int32_t nItemIndex, void* pData);
-  void SetListIcon(int32_t nItemIndex, int32_t nIconIndex);
-  void SetListString(int32_t nItemIndex, const CFX_WideString& str);
-  void SetIconFillColor(const CPWL_Color& color);
-  CFX_WideString GetListString(int32_t nItemIndex) const;
-
- protected:
-  // CPWL_Wnd
-  FX_BOOL OnMouseWheel(short zDelta,
-                       const CFX_FloatPoint& point,
-                       uint32_t nFlag) override;
-  void OnCreated() override;
-  void RePosChildWnd() override;
-  void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
-  void OnNotify(CPWL_Wnd* pWnd,
-                uint32_t msg,
-                intptr_t wParam = 0,
-                intptr_t lParam = 0) override;
-
- private:
-  CPWL_IconList_Content* m_pListContent;
-  int32_t m_nListCount;
-};
-
-#endif  // FPDFSDK_PDFWINDOW_PWL_ICONLIST_H_
diff --git a/fpdfsdk/pdfwindow/PWL_Label.cpp b/fpdfsdk/pdfwindow/PWL_Label.cpp
deleted file mode 100644
index 83d299cd34..0000000000
--- a/fpdfsdk/pdfwindow/PWL_Label.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "fpdfsdk/fxedit/include/fx_edit.h"
-#include "fpdfsdk/pdfwindow/PWL_Label.h"
-#include "fpdfsdk/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-CPWL_Label::CPWL_Label() : m_pEdit(IFX_Edit::NewEdit()) {}
-
-CPWL_Label::~CPWL_Label() {
-  IFX_Edit::DelEdit(m_pEdit);
-}
-
-CFX_ByteString CPWL_Label::GetClassName() const {
-  return "CPWL_Label";
-}
-
-void CPWL_Label::OnCreated() {
-  SetParamByFlag();
-  SetFontSize(GetCreationParam().fFontSize);
-
-  m_pEdit->SetFontMap(GetFontMap());
-  m_pEdit->Initialize();
-
-  if (HasFlag(PES_TEXTOVERFLOW)) {
-    SetClipRect(CFX_FloatRect(0.0f, 0.0f, 0.0f, 0.0f));
-    m_pEdit->SetTextOverflow(TRUE);
-  }
-}
-
-void CPWL_Label::SetText(const FX_WCHAR* csText) {
-  m_pEdit->SetText(csText);
-}
-
-void CPWL_Label::RePosChildWnd() {
-  m_pEdit->SetPlateRect(GetClientRect());
-}
-
-void CPWL_Label::SetFontSize(FX_FLOAT fFontSize) {
-  m_pEdit->SetFontSize(fFontSize);
-}
-
-FX_FLOAT CPWL_Label::GetFontSize() const {
-  return m_pEdit->GetFontSize();
-}
-
-void CPWL_Label::SetParamByFlag() {
-  if (HasFlag(PES_LEFT)) {
-    m_pEdit->SetAlignmentH(0);
-  } else if (HasFlag(PES_MIDDLE)) {
-    m_pEdit->SetAlignmentH(1);
-  } else if (HasFlag(PES_RIGHT)) {
-    m_pEdit->SetAlignmentH(2);
-  } else {
-    m_pEdit->SetAlignmentH(0);
-  }
-
-  if (HasFlag(PES_TOP)) {
-    m_pEdit->SetAlignmentV(0);
-  } else if (HasFlag(PES_CENTER)) {
-    m_pEdit->SetAlignmentV(1);
-  } else if (HasFlag(PES_BOTTOM)) {
-    m_pEdit->SetAlignmentV(2);
-  } else {
-    m_pEdit->SetAlignmentV(0);
-  }
-
-  if (HasFlag(PES_PASSWORD)) {
-    m_pEdit->SetPasswordChar('*');
-  }
-
-  m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE));
-  m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN));
-  m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE));
-  m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL));
-}
-
-void CPWL_Label::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                    CFX_Matrix* pUser2Device) {
-  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
-
-  GetClientRect();
-
-  CFX_FloatRect rcClip;
-  CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
-  CPVT_WordRange* pRange = nullptr;
-
-  if (!HasFlag(PES_TEXTOVERFLOW)) {
-    rcClip = GetClientRect();
-    pRange = &wrRange;
-  }
-  CFX_SystemHandler* pSysHandler = GetSystemHandler();
-  IFX_Edit::DrawEdit(
-      pDevice, pUser2Device, m_pEdit,
-      CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
-      CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor(), GetTransparency()),
-      rcClip, CFX_FloatPoint(0.0f, 0.0f), pRange, pSysHandler, nullptr);
-}
-
-void CPWL_Label::SetHorzScale(int32_t nHorzScale) {
-  m_pEdit->SetHorzScale(nHorzScale);
-}
-
-void CPWL_Label::SetCharSpace(FX_FLOAT fCharSpace) {
-  m_pEdit->SetCharSpace(fCharSpace);
-}
-
-CFX_FloatRect CPWL_Label::GetContentRect() const {
-  return m_pEdit->GetContentRect();
-}
-
-void CPWL_Label::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(sAppStream);
-
-  sAppStream << GetTextAppearanceStream(CFX_FloatPoint(0.0f, 0.0f)).AsStringC();
-}
-
-CFX_ByteString CPWL_Label::GetTextAppearanceStream(
-    const CFX_FloatPoint& ptOffset) const {
-  CFX_ByteTextBuf sRet;
-  CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset);
-  if (sEdit.GetLength() > 0) {
-    sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()).AsStringC()
-         << sEdit.AsStringC() << "ET\n";
-  }
-  return sRet.MakeString();
-}
-
-CFX_WideString CPWL_Label::GetText() const {
-  return m_pEdit->GetText();
-}
-
-void CPWL_Label::SetLimitChar(int32_t nLimitChar) {
-  m_pEdit->SetLimitChar(nLimitChar);
-}
-
-int32_t CPWL_Label::GetTotalWords() {
-  return m_pEdit->GetTotalWords();
-}
diff --git a/fpdfsdk/pdfwindow/PWL_Label.h b/fpdfsdk/pdfwindow/PWL_Label.h
deleted file mode 100644
index 7b5a3e52f7..0000000000
--- a/fpdfsdk/pdfwindow/PWL_Label.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef FPDFSDK_PDFWINDOW_PWL_LABEL_H_
-#define FPDFSDK_PDFWINDOW_PWL_LABEL_H_
-
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-class IFX_Edit;
-
-class CPWL_Label : public CPWL_Wnd {
- public:
-  CPWL_Label();
-  ~CPWL_Label() override;
-
-  void SetText(const FX_WCHAR* csText);
-  CFX_WideString GetText() const;
-  void SetLimitChar(int32_t nLimitChar);
-  void SetHorzScale(int32_t nHorzScale);
-  void SetCharSpace(FX_FLOAT fCharSpace);
-  CFX_FloatRect GetContentRect() const;
-  int32_t GetTotalWords();
-  CFX_ByteString GetTextAppearanceStream(const CFX_FloatPoint& ptOffset) const;
-
- protected:
-  // CPWL_Wnd
-  CFX_ByteString GetClassName() const override;
-  void SetFontSize(FX_FLOAT fFontSize) override;
-  FX_FLOAT GetFontSize() const override;
-  void OnCreated() override;
-  void DrawThisAppearance(CFX_RenderDevice* pDevice,
-                          CFX_Matrix* pUser2Device) override;
-  void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
-  void RePosChildWnd() override;
-
- private:
-  void SetParamByFlag();
-
-  IFX_Edit* m_pEdit;
-};
-
-#endif  // FPDFSDK_PDFWINDOW_PWL_LABEL_H_
diff --git a/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp b/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp
deleted file mode 100644
index dde2160943..0000000000
--- a/fpdfsdk/pdfwindow/PWL_ListCtrl.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fxge/include/fx_ge.h"
-#include "fpdfsdk/pdfwindow/PWL_ListCtrl.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-CPWL_ListCtrl::CPWL_ListCtrl()
-    : m_rcContent(0, 0, 0, 0),
-      m_ptScroll(0, 0),
-      m_fItemSpace(0.0f),
-      m_fTopSpace(0.0f),
-      m_fBottomSpace(0.0f) {}
-
-CPWL_ListCtrl::~CPWL_ListCtrl() {}
-
-void CPWL_ListCtrl::SetScrollPos(const CFX_FloatPoint& point) {
-  m_ptScroll = point;
-
-  if (m_ptScroll.x < m_rcContent.left)
-    m_ptScroll.x = m_rcContent.left;
-
-  if (m_ptScroll.x > m_rcContent.right)
-    m_ptScroll.x = m_rcContent.right;
-
-  if (m_ptScroll.y > m_rcContent.top)
-    m_ptScroll.y = m_rcContent.top;
-
-  if (m_ptScroll.y < m_rcContent.bottom)
-    m_ptScroll.y = m_rcContent.bottom;
-}
-
-CFX_FloatPoint CPWL_ListCtrl::GetScrollPos() const {
-  return m_ptScroll;
-}
-
-CFX_FloatRect CPWL_ListCtrl::GetScrollArea() const {
-  return m_rcContent;
-}
-
-void CPWL_ListCtrl::ResetFace() {
-  ResetAll(FALSE, 0);
-}
-
-void CPWL_ListCtrl::ResetContent(int32_t nStart) {
-  if (nStart < 0)
-    nStart = 0;
-  if (nStart >= 0 && nStart < m_aChildren.GetSize())
-    ResetAll(TRUE, nStart);
-}
-
-FX_FLOAT CPWL_ListCtrl::GetContentsHeight(FX_FLOAT fLimitWidth) {
-  FX_FLOAT fRet = m_fTopSpace;
-
-  FX_FLOAT fBorderWidth = (FX_FLOAT)GetBorderWidth();
-
-  if (fLimitWidth > fBorderWidth * 2) {
-    for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) {
-      if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) {
-        FX_FLOAT fLeft = pChild->GetItemLeftMargin();
-        FX_FLOAT fRight = pChild->GetItemRightMargin();
-
-        fRet += pChild->GetItemHeight(fLimitWidth - fBorderWidth * 2 - fLeft -
-                                      fRight);
-        fRet += m_fItemSpace;
-      }
-    }
-
-    fRet -= m_fItemSpace;
-  }
-
-  fRet += m_fBottomSpace;
-
-  return fRet;
-}
-
-void CPWL_ListCtrl::ResetAll(FX_BOOL bMove, int32_t nStart) {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  FX_FLOAT fWidth = rcClient.Width();
-
-  FX_FLOAT fy = 0.0f - m_fTopSpace;
-
-  if (nStart - 1 >= 0 && nStart - 1 < m_aChildren.GetSize())
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(nStart - 1))
-      fy = pChild->GetWindowRect().bottom - m_fItemSpace;
-
-  for (int32_t i = nStart, sz = m_aChildren.GetSize(); i < sz; i++) {
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) {
-      FX_FLOAT fLeft = pChild->GetItemLeftMargin();
-      FX_FLOAT fRight = pChild->GetItemRightMargin();
-
-      pChild->SetChildMatrix(CFX_Matrix(1, 0, 0, 1,
-                                        rcClient.left - m_ptScroll.x,
-                                        rcClient.top - m_ptScroll.y));
-
-      if (bMove) {
-        FX_FLOAT fItemHeight = pChild->GetItemHeight(fWidth - fLeft - fRight);
-        pChild->Move(
-            CFX_FloatRect(fLeft, fy - fItemHeight, fWidth - fRight, fy), TRUE,
-            FALSE);
-        fy -= fItemHeight;
-        fy -= m_fItemSpace;
-      }
-    }
-  }
-
-  fy += m_fItemSpace;
-
-  fy -= m_fBottomSpace;
-
-  if (bMove) {
-    m_rcContent.left = 0;
-    m_rcContent.top = 0;
-    m_rcContent.right = fWidth;
-    m_rcContent.bottom = fy;
-  }
-}
-
-void CPWL_ListCtrl::SetItemSpace(FX_FLOAT fSpace) {
-  m_fItemSpace = fSpace;
-}
-
-void CPWL_ListCtrl::SetTopSpace(FX_FLOAT fSpace) {
-  m_fTopSpace = fSpace;
-}
-
-void CPWL_ListCtrl::SetBottomSpace(FX_FLOAT fSpace) {
-  m_fBottomSpace = fSpace;
-}
-
-void CPWL_ListCtrl::RePosChildWnd() {
-  ResetFace();
-}
-
-void CPWL_ListCtrl::DrawChildAppearance(CFX_RenderDevice* pDevice,
-                                        CFX_Matrix* pUser2Device) {
-  pDevice->SaveState();
-  CFX_FloatRect rcClient = GetClientRect();
-  CFX_FloatRect rcTemp = rcClient;
-  pUser2Device->TransformRect(rcTemp);
-  pDevice->SetClip_Rect(FX_RECT((int32_t)rcTemp.left, (int32_t)rcTemp.bottom,
-                                (int32_t)rcTemp.right, (int32_t)rcTemp.top));
-
-  for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) {
-    if (CPWL_Wnd* pChild = m_aChildren.GetAt(i)) {
-      CFX_FloatRect rcChild = pChild->ChildToParent(pChild->GetWindowRect());
-      if (!(rcChild.top < rcClient.bottom || rcChild.bottom > rcClient.top)) {
-        CFX_Matrix mt = pChild->GetChildMatrix();
-        if (mt.IsIdentity()) {
-          pChild->DrawAppearance(pDevice, pUser2Device);
-        } else {
-          mt.Concat(*pUser2Device);
-          pChild->DrawAppearance(pDevice, &mt);
-        }
-      }
-    }
-  }
-
-  pDevice->RestoreState(false);
-}
-
-int32_t CPWL_ListCtrl::GetItemIndex(CPWL_Wnd* pItem) {
-  for (int32_t i = 0, sz = m_aChildren.GetSize(); i < sz; i++) {
-    if (pItem == m_aChildren.GetAt(i))
-      return i;
-  }
-
-  return -1;
-}
-
-CFX_FloatPoint CPWL_ListCtrl::InToOut(const CFX_FloatPoint& point) const {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  return CFX_FloatPoint(point.x + rcClient.left - m_ptScroll.x,
-                        point.y + rcClient.top - m_ptScroll.y);
-}
-
-CFX_FloatPoint CPWL_ListCtrl::OutToIn(const CFX_FloatPoint& point) const {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  return CFX_FloatPoint(point.x - rcClient.left + m_ptScroll.x,
-                        point.y - rcClient.top + m_ptScroll.y);
-}
-
-CFX_FloatRect CPWL_ListCtrl::InToOut(const CFX_FloatRect& rect) const {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  return CFX_FloatRect(rect.left + rcClient.left - m_ptScroll.x,
-                       rect.bottom + rcClient.top - m_ptScroll.y,
-                       rect.right + rcClient.left - m_ptScroll.x,
-                       rect.top + rcClient.top - m_ptScroll.y);
-}
-
-CFX_FloatRect CPWL_ListCtrl::OutToIn(const CFX_FloatRect& rect) const {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  return CFX_FloatRect(rect.left - rcClient.left + m_ptScroll.x,
-                       rect.bottom - rcClient.top + m_ptScroll.y,
-                       rect.right - rcClient.left + m_ptScroll.x,
-                       rect.top - rcClient.top + m_ptScroll.y);
-}
diff --git a/fpdfsdk/pdfwindow/PWL_ListCtrl.h b/fpdfsdk/pdfwindow/PWL_ListCtrl.h
deleted file mode 100644
index 844801978c..0000000000
--- a/fpdfsdk/pdfwindow/PWL_ListCtrl.h
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef FPDFSDK_PDFWINDOW_PWL_LISTCTRL_H_
-#define FPDFSDK_PDFWINDOW_PWL_LISTCTRL_H_
-
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-class CPWL_ListCtrl : public CPWL_Wnd {
- public:
-  CPWL_ListCtrl();
-  ~CPWL_ListCtrl() override;
-
-  void SetScrollPos(const CFX_FloatPoint& point);
-  CFX_FloatPoint GetScrollPos() const;
-  CFX_FloatRect GetScrollArea() const;
-  void SetItemSpace(FX_FLOAT fSpace);
-  void SetTopSpace(FX_FLOAT fSpace);
-  void SetBottomSpace(FX_FLOAT fSpace);
-  void ResetFace();
-  void ResetContent(int32_t nStart);
-  int32_t GetItemIndex(CPWL_Wnd* pItem);
-  FX_FLOAT GetContentsHeight(FX_FLOAT fLimitWidth);
-  CFX_FloatPoint InToOut(const CFX_FloatPoint& point) const;
-  CFX_FloatPoint OutToIn(const CFX_FloatPoint& point) const;
-  CFX_FloatRect InToOut(const CFX_FloatRect& rect) const;
-  CFX_FloatRect OutToIn(const CFX_FloatRect& rect) const;
-
- protected:
-  // CPWL_Wnd
-  void RePosChildWnd() override;
-  void DrawChildAppearance(CFX_RenderDevice* pDevice,
-                           CFX_Matrix* pUser2Device) override;
-
- private:
-  void ResetAll(FX_BOOL bMove, int32_t nStart);
-
-  CFX_FloatRect m_rcContent;
-  CFX_FloatPoint m_ptScroll;
-  FX_FLOAT m_fItemSpace;
-  FX_FLOAT m_fTopSpace;
-  FX_FLOAT m_fBottomSpace;
-};
-
-#endif  // FPDFSDK_PDFWINDOW_PWL_LISTCTRL_H_
diff --git a/fpdfsdk/pdfwindow/PWL_Signature.cpp b/fpdfsdk/pdfwindow/PWL_Signature.cpp
deleted file mode 100644
index 7513950cb7..0000000000
--- a/fpdfsdk/pdfwindow/PWL_Signature.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "fpdfsdk/pdfwindow/PWL_Signature.h"
-
-#include "core/fxge/include/fx_ge.h"
-#include "fpdfsdk/pdfwindow/PWL_Icon.h"
-#include "fpdfsdk/pdfwindow/PWL_Label.h"
-#include "fpdfsdk/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-CPWL_Signature_Image::CPWL_Signature_Image() : m_pImage(nullptr) {}
-
-CPWL_Signature_Image::~CPWL_Signature_Image() {}
-
-void CPWL_Signature_Image::SetImage(CFX_DIBSource* pImage) {
-  m_pImage = pImage;
-}
-
-CFX_DIBSource* CPWL_Signature_Image::GetImage() {
-  return m_pImage;
-}
-
-void CPWL_Signature_Image::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                              CFX_Matrix* pUser2Device) {
-  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
-
-  if (m_pImage) {
-    CFX_FloatRect rcClient = GetClientRect();
-
-    FX_FLOAT x, y;
-    pUser2Device->Transform(rcClient.left, rcClient.top, x, y);
-
-    pDevice->StretchDIBits(m_pImage, (int32_t)x, (int32_t)y,
-                           (int32_t)rcClient.Width(),
-                           (int32_t)rcClient.Height());
-  }
-}
-
-void CPWL_Signature_Image::GetThisAppearanceStream(
-    CFX_ByteTextBuf& sAppStream) {
-  sAppStream << CPWL_Image::GetImageAppStream().AsStringC();
-}
-
-void CPWL_Signature_Image::GetScale(FX_FLOAT& fHScale, FX_FLOAT& fVScale) {
-  FX_FLOAT fImageW, fImageH;
-
-  GetImageSize(fImageW, fImageH);
-
-  CFX_FloatRect rcClient = GetClientRect();
-
-  fHScale = rcClient.Width() / fImageW;
-  fVScale = rcClient.Height() / fImageH;
-}
-
-CPWL_Signature::CPWL_Signature()
-    : m_pText(nullptr),
-      m_pDescription(nullptr),
-      m_pImage(nullptr),
-      m_bTextExist(TRUE),
-      m_bImageExist(FALSE),
-      m_bFlagExist(TRUE) {}
-
-CPWL_Signature::~CPWL_Signature() {}
-
-void CPWL_Signature::SetTextFlag(FX_BOOL bTextExist) {
-  m_bTextExist = bTextExist;
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::SetImageFlag(FX_BOOL bImageExist) {
-  m_bImageExist = bImageExist;
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::SetFoxitFlag(FX_BOOL bFlagExist) {
-  m_bFlagExist = bFlagExist;
-}
-
-void CPWL_Signature::SetText(const FX_WCHAR* sText) {
-  m_pText->SetText(sText);
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::SetDescription(const FX_WCHAR* str) {
-  m_pDescription->SetText(str);
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::SetImage(CFX_DIBSource* pImage) {
-  m_pImage->SetImage(pImage);
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::SetImageStream(CPDF_Stream* pStream,
-                                    const FX_CHAR* sImageAlias) {
-  m_pImage->SetPDFStream(pStream);
-  m_pImage->SetImageAlias(sImageAlias);
-
-  RePosChildWnd();
-}
-
-void CPWL_Signature::RePosChildWnd() {
-  CFX_FloatRect rcClient = GetClientRect();
-
-  CFX_FloatRect rcText = rcClient;
-  CFX_FloatRect rcDescription = rcClient;
-
-  FX_BOOL bTextVisible = m_bTextExist && m_pText->GetText().GetLength() > 0;
-
-  if ((bTextVisible || m_bImageExist) &&
-      m_pDescription->GetText().GetLength() > 0) {
-    if (rcClient.Width() >= rcClient.Height()) {
-      rcText.right = rcText.left + rcClient.Width() / 2.0f;
-      rcDescription.left = rcDescription.right - rcClient.Width() / 2.0f;
-    } else {
-      rcText.bottom = rcText.top - rcClient.Height() / 2.0f;
-      rcDescription.top = rcDescription.bottom + rcClient.Height() / 2.0f;
-    }
-  }
-
-  m_pText->SetVisible(bTextVisible);
-  m_pImage->SetVisible(m_bImageExist);
-
-  m_pText->Move(rcText, TRUE, FALSE);
-  m_pImage->Move(rcText, TRUE, FALSE);
-  m_pDescription->Move(rcDescription, TRUE, FALSE);
-}
-
-void CPWL_Signature::CreateChildWnd(const PWL_CREATEPARAM& cp) {
-  m_pImage = new CPWL_Signature_Image;
-  PWL_CREATEPARAM icp = cp;
-  icp.pParentWnd = this;
-  icp.dwFlags = PWS_CHILD | PWS_VISIBLE;
-  icp.sTextColor = CPWL_Color(COLORTYPE_GRAY, 0);
-  m_pImage->Create(icp);
-
-  m_pText = new CPWL_Label;
-  PWL_CREATEPARAM acp = cp;
-  acp.pParentWnd = this;
-  acp.dwFlags = PWS_CHILD | PWS_VISIBLE | PWS_AUTOFONTSIZE | PES_MULTILINE |
-                PES_AUTORETURN | PES_MIDDLE | PES_CENTER;
-  acp.sTextColor = CPWL_Color(COLORTYPE_GRAY, 0);
-  m_pText->Create(acp);
-
-  m_pDescription = new CPWL_Label;
-  PWL_CREATEPARAM dcp = cp;
-  dcp.pParentWnd = this;
-  dcp.dwFlags = PWS_CHILD | PWS_VISIBLE | PWS_AUTOFONTSIZE | PES_MULTILINE |
-                PES_AUTORETURN | PES_LEFT | PES_CENTER;
-  dcp.sTextColor = CPWL_Color(COLORTYPE_GRAY, 0);
-  m_pDescription->Create(dcp);
-}
-
-void CPWL_Signature::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                        CFX_Matrix* pUser2Device) {
-  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
-
-  if (m_bFlagExist) {
-    CPWL_Utils::DrawIconAppStream(
-        pDevice, pUser2Device, PWL_ICONTYPE_FOXIT,
-        CPWL_Utils::GetCenterSquare(GetClientRect()),
-        CPWL_Color(COLORTYPE_RGB, 0.91f, 0.855f, 0.92f),
-        CPWL_Color(COLORTYPE_TRANSPARENT), 255);
-  }
-}
-
-void CPWL_Signature::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(sAppStream);
-}
diff --git a/fpdfsdk/pdfwindow/PWL_Signature.h b/fpdfsdk/pdfwindow/PWL_Signature.h
deleted file mode 100644
index 47d0bb0ae3..0000000000
--- a/fpdfsdk/pdfwindow/PWL_Signature.h
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef FPDFSDK_PDFWINDOW_PWL_SIGNATURE_H_
-#define FPDFSDK_PDFWINDOW_PWL_SIGNATURE_H_
-
-#include "fpdfsdk/pdfwindow/PWL_Icon.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-class CFX_DIBSource;
-class CPWL_Label;
-
-class CPWL_Signature_Image : public CPWL_Image {
- public:
-  CPWL_Signature_Image();
-  ~CPWL_Signature_Image() override;
-
-  void SetImage(CFX_DIBSource* pImage);
-  CFX_DIBSource* GetImage();
-
- protected:
-  // CPWL_Image
-  void DrawThisAppearance(CFX_RenderDevice* pDevice,
-                          CFX_Matrix* pUser2Device) override;
-  void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
-  void GetScale(FX_FLOAT& fHScale, FX_FLOAT& fVScale) override;
-
- private:
-  CFX_DIBSource* m_pImage;
-};
-
-class CPWL_Signature : public CPWL_Wnd {
- public:
-  CPWL_Signature();
-  ~CPWL_Signature() override;
-
-  void SetText(const FX_WCHAR* sText);
-  void SetDescription(const FX_WCHAR* str);
-  void SetImage(CFX_DIBSource* pImage);
-  void SetImageStream(CPDF_Stream* pStream, const FX_CHAR* sImageAlias);
-
-  void SetTextFlag(FX_BOOL bTextExist);
-  void SetImageFlag(FX_BOOL bImageExist);
-  void SetFoxitFlag(FX_BOOL bFlagExist);
-
- protected:
-  // CPWL_Wnd
-  void RePosChildWnd() override;
-  void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
-  void DrawThisAppearance(CFX_RenderDevice* pDevice,
-                          CFX_Matrix* pUser2Device) override;
-  void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
-
- private:
-  CPWL_Label* m_pText;
-  CPWL_Label* m_pDescription;
-  CPWL_Signature_Image* m_pImage;
-
-  FX_BOOL m_bTextExist;
-  FX_BOOL m_bImageExist;
-  FX_BOOL m_bFlagExist;
-};
-
-#endif  // FPDFSDK_PDFWINDOW_PWL_SIGNATURE_H_