Convert CFWL_Edit Cut & Copy out param to return

Change-Id: I99776deb809609f69275848ddb81706e2cc82c82
Reviewed-on: https://pdfium-review.googlesource.com/22370
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

1 files changed, 6 insertions, 8 deletions

diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index cdbca2cf54..960ec9967a 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -322,20 +322,18 @@ void CFWL_Edit::SetAliasChar(wchar_t wAlias) {
   m_EdtEngine.SetAliasChar(wAlias);
 }
 
-bool CFWL_Edit::Copy(WideString& wsCopy) {
+Optional<WideString> CFWL_Edit::Copy() {
   if (!m_EdtEngine.HasSelection())
-    return false;
+    return {};
 
-  wsCopy = m_EdtEngine.GetSelectedText();
-  return true;
+  return {m_EdtEngine.GetSelectedText()};
 }
 
-bool CFWL_Edit::Cut(WideString& wsCut) {
+Optional<WideString> CFWL_Edit::Cut() {
   if (!m_EdtEngine.HasSelection())
-    return false;
+    return {};
 
-  wsCut = m_EdtEngine.DeleteSelectedText();
-  return true;
+  return {m_EdtEngine.DeleteSelectedText()};
 }
 
 bool CFWL_Edit::Paste(const WideString& wsPaste) {