Pass objects instead of strings for undo/redo records.

xfa/fwl/lightwidget/cfwl_edit.h

Index: xfa/fwl/lightwidget/cfwl_edit.h
diff --git a/xfa/fwl/lightwidget/cfwl_edit.h b/xfa/fwl/lightwidget/cfwl_edit.h
index c7001a31660ca9c3ce6c5dee2aefb17ff092f25d..349b380670a9886bb49ac1bb5059f1acfd57c7ce 100644
--- a/xfa/fwl/lightwidget/cfwl_edit.h
+++ b/xfa/fwl/lightwidget/cfwl_edit.h
@@ -12,6 +12,7 @@
 #include "xfa/fwl/lightwidget/cfwl_widget.h"
 
 class CFWL_WidgetProperties;
+class IFDE_TxtEdtDoRecord;
 
 class CFWL_Edit : public CFWL_Widget {
  public:
@@ -40,8 +41,8 @@ class CFWL_Edit : public CFWL_Widget {
                     int32_t nLen,
                     const CFX_WideStringC& wsReplace);
   FWL_Error DoClipboard(int32_t iCmd);
-  FX_BOOL Redo(const CFX_ByteStringC& bsRecord);
-  FX_BOOL Undo(const CFX_ByteStringC& bsRecord);
+  FX_BOOL Redo(const IFDE_TxtEdtDoRecord* pRecord);
+  FX_BOOL Undo(const IFDE_TxtEdtDoRecord* pRecord);
   FWL_Error SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
   FWL_Error SetNumberRange(int32_t iMin, int32_t iMax);
   FWL_Error SetBackColor(uint32_t dwColor);