Remove redundant members in CFDE_TxtEdtEngine

This CL removes a bunch of redundant members from the text edit engine.
The change information tracking was removed as most of it was unused or
was used inconsistently.

Change-Id: I92460594e46accff0b78e1183c8574fc83ce728a
Reviewed-on: https://pdfium-review.googlesource.com/11275
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index 0045c36858..6d14ad2e3c 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -410,12 +410,12 @@ void CFWL_Edit::OnCaretChanged() {
   }
 }
 
-void CFWL_Edit::OnTextChanged(const FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) {
+void CFWL_Edit::OnTextChanged(const CFX_WideString& prevText) {
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VAlignMask)
     UpdateVAlignment();
 
   CFWL_EventTextChanged event(this);
-  event.wsPrevText = ChangeInfo.wsPrevText;
+  event.wsPrevText = prevText;
   DispatchEvent(&event);
 
   LayoutScrollBar();
@@ -640,7 +640,6 @@ void CFWL_Edit::UpdateEditEngine() {
 
 void CFWL_Edit::UpdateEditParams() {
   FDE_TXTEDTPARAMS params;
-  params.nHorzScale = 100;
   params.fPlateWidth = m_rtEngine.width;
   params.fPlateHeight = m_rtEngine.height;
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText)
@@ -714,7 +713,6 @@ void CFWL_Edit::UpdateEditParams() {
   if (params.nLineCount <= 0)
     params.nLineCount = 1;
   params.fTabWidth = params.fFontSize * 1;
-  params.wLineBreakChar = L'\n';
   params.pEventSink = this;
   m_EdtEngine.SetEditParams(params);
 }