5 files changed, 8 insertions, 3 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_EditCtrl.h b/fpdfsdk/pdfwindow/PWL_EditCtrl.h
index 344d25b72b..3ff5cc66c9 100644
--- a/fpdfsdk/pdfwindow/PWL_EditCtrl.h
+++ b/fpdfsdk/pdfwindow/PWL_EditCtrl.h
@@ -7,6 +7,8 @@
 #ifndef FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
 #define FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
 
+#include <memory>
+
 #include "core/fxcrt/fx_string.h"
 #include "fpdfsdk/fxedit/fx_edit.h"
 #include "fpdfsdk/pdfwindow/PWL_Wnd.h"
diff --git a/fpdfsdk/pdfwindow/PWL_FontMap.h b/fpdfsdk/pdfwindow/PWL_FontMap.h
index fbf5ee0986..47ef193619 100644
--- a/fpdfsdk/pdfwindow/PWL_FontMap.h
+++ b/fpdfsdk/pdfwindow/PWL_FontMap.h
@@ -30,7 +30,7 @@ struct CPWL_FontMap_Native {
 
 class CPWL_FontMap : public IPVT_FontMap {
  public:
-  CPWL_FontMap(CFX_SystemHandler* pSystemHandler);
+  explicit CPWL_FontMap(CFX_SystemHandler* pSystemHandler);
   ~CPWL_FontMap() override;
 
   // IPVT_FontMap
diff --git a/fpdfsdk/pdfwindow/PWL_ListBox.h b/fpdfsdk/pdfwindow/PWL_ListBox.h
index 290b8762ef..6db4ecb381 100644
--- a/fpdfsdk/pdfwindow/PWL_ListBox.h
+++ b/fpdfsdk/pdfwindow/PWL_ListBox.h
@@ -7,6 +7,8 @@
 #ifndef FPDFSDK_PDFWINDOW_PWL_LISTBOX_H_
 #define FPDFSDK_PDFWINDOW_PWL_LISTBOX_H_
 
+#include <memory>
+
 #include "fpdfsdk/fxedit/fx_edit.h"
 #include "fpdfsdk/pdfwindow/PWL_Wnd.h"
 
@@ -20,7 +22,7 @@ struct CPVT_WordProps;
 
 class CPWL_List_Notify {
  public:
-  CPWL_List_Notify(CPWL_ListBox* pList);
+  explicit CPWL_List_Notify(CPWL_ListBox* pList);
   ~CPWL_List_Notify();
 
   void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
diff --git a/fpdfsdk/pdfwindow/PWL_ScrollBar.h b/fpdfsdk/pdfwindow/PWL_ScrollBar.h
index 19e5151c97..bcfb0a6873 100644
--- a/fpdfsdk/pdfwindow/PWL_ScrollBar.h
+++ b/fpdfsdk/pdfwindow/PWL_ScrollBar.h
@@ -117,7 +117,7 @@ struct PWL_SCROLL_PRIVATEDATA {
 
 class CPWL_ScrollBar : public CPWL_Wnd {
  public:
-  CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType = SBT_HSCROLL);
+  explicit CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType = SBT_HSCROLL);
   ~CPWL_ScrollBar() override;
 
   // CPWL_Wnd
diff --git a/fpdfsdk/pdfwindow/PWL_Utils.cpp b/fpdfsdk/pdfwindow/PWL_Utils.cpp
index eb6b3cc221..713a193fb3 100644
--- a/fpdfsdk/pdfwindow/PWL_Utils.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Utils.cpp
@@ -7,6 +7,7 @@
 #include "fpdfsdk/pdfwindow/PWL_Utils.h"
 
 #include <algorithm>
+#include <memory>
 
 #include "core/fpdfdoc/cpvt_word.h"
 #include "core/fxge/cfx_graphstatedata.h"