Convert CFXJSE_Value::ToString to return.

xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp

Index: xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp
diff --git a/xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp b/xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp
index b494a91478f28434a619991065133b003ec29580..2a0c291e16c0101ebf1048ecd92ca6ba6eff3c71 100644
--- a/xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp
+++ b/xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp
@@ -28,9 +28,7 @@ void Script_EventPseudoModel_StringProperty(CFXJSE_Value* pValue,
                                             CFX_WideString& wsValue,
                                             FX_BOOL bSetting) {
   if (bSetting) {
-    CFX_ByteString bsValue;
-    pValue->ToString(bsValue);
-    wsValue = CFX_WideString::FromUTF8(bsValue.AsStringC());
+    wsValue = pValue->ToWideString();
   } else {
     pValue->SetString(FX_UTF8Encode(wsValue).AsStringC());
   }