Hide the undo/redo record classes inside the engine

This CL moves the implementation of the records which handle undo/redo
in the text edit engine into an anonymous namespace in the engine.

Change-Id: I299b9738b72e3eccbbec972fd3ea956c491859fa
Reviewed-on: https://pdfium-review.googlesource.com/11010
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 4 insertions, 10 deletions

diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index 92d8c0266b..eb54375e29 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -363,24 +363,18 @@ bool CFWL_Edit::Paste(const CFX_WideString& wsPaste) {
   return true;
 }
 
-bool CFWL_Edit::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return m_EdtEngine.Redo(pRecord);
-}
-
-bool CFWL_Edit::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return m_EdtEngine.Undo(pRecord);
-}
-
 bool CFWL_Edit::Undo() {
   if (!CanUndo())
     return false;
-  return Undo(m_DoRecords[m_iCurRecord--].get());
+  m_EdtEngine.Undo(m_DoRecords[m_iCurRecord--].get());
+  return true;
 }
 
 bool CFWL_Edit::Redo() {
   if (!CanRedo())
     return false;
-  return Redo(m_DoRecords[++m_iCurRecord].get());
+  m_EdtEngine.Redo(m_DoRecords[++m_iCurRecord].get());
+  return true;
 }
 
 bool CFWL_Edit::CanUndo() {