diff --git a/fpdfsdk/javascript/util.cpp b/fpdfsdk/javascript/util.cpp
index e00f9e1..04f1eb3 100644
--- a/fpdfsdk/javascript/util.cpp
+++ b/fpdfsdk/javascript/util.cpp
@@ -76,7 +76,7 @@
 bool util::printf(CJS_Runtime* pRuntime,
                   const std::vector<CJS_Value>& params,
                   CJS_Value& vRet,
-                  CFX_WideString& sError) {
+                  WideString& sError) {
   const size_t iSize = params.size();
   if (iSize < 1)
     return false;
@@ -111,7 +111,7 @@
       continue;
     }
 
-    CFX_WideString strSegment;
+    WideString strSegment;
     switch (ParseDataType(&c_strFormat)) {
       case UTIL_INT:
         strSegment.Format(c_strFormat.c_str(), params[iIndex].ToInt(pRuntime));
@@ -139,7 +139,7 @@
 bool util::printd(CJS_Runtime* pRuntime,
                   const std::vector<CJS_Value>& params,
                   CJS_Value& vRet,
-                  CFX_WideString& sError) {
+                  WideString& sError) {
   const size_t iSize = params.size();
   if (iSize < 2)
     return false;
@@ -158,7 +158,7 @@
   }
 
   if (p1.GetType() == CJS_Value::VT_number) {
-    CFX_WideString swResult;
+    WideString swResult;
     switch (p1.ToInt(pRuntime)) {
       case 0:
         swResult.Format(L"D:%04d%02d%02d%02d%02d%02d", jsDate.GetYear(pRuntime),
@@ -231,7 +231,7 @@
     };
 
     for (size_t i = 0; i < FX_ArraySize(cTableAd); ++i) {
-      CFX_WideString sValue;
+      WideString sValue;
       sValue.Format(L"%d", cTableAd[i].iValue);
 
       int iStart = 0;
@@ -271,7 +271,7 @@
 bool util::printx(CJS_Runtime* pRuntime,
                   const std::vector<CJS_Value>& params,
                   CJS_Value& vRet,
-                  CFX_WideString& sError) {
+                  WideString& sError) {
   if (params.size() < 2) {
     sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR);
     return false;
@@ -294,9 +294,9 @@
   return input;
 }
 
-CFX_WideString util::printx(const CFX_WideString& wsFormat,
-                            const CFX_WideString& wsSource) {
-  CFX_WideString wsResult;
+WideString util::printx(const WideString& wsFormat,
+                        const WideString& wsSource) {
+  WideString wsResult;
   FX_STRSIZE iSourceIdx = 0;
   FX_STRSIZE iFormatIdx = 0;
   CaseMode eCaseMode = kPreserveCase;
@@ -385,12 +385,12 @@
 bool util::scand(CJS_Runtime* pRuntime,
                  const std::vector<CJS_Value>& params,
                  CJS_Value& vRet,
-                 CFX_WideString& sError) {
+                 WideString& sError) {
   if (params.size() < 2)
     return false;
 
-  CFX_WideString sFormat = params[0].ToCFXWideString(pRuntime);
-  CFX_WideString sDate = params[1].ToCFXWideString(pRuntime);
+  WideString sFormat = params[0].ToCFXWideString(pRuntime);
+  WideString sDate = params[1].ToCFXWideString(pRuntime);
   double dDate = JS_GetDateTime();
   if (sDate.GetLength() > 0) {
     dDate = CJS_PublicMethods::MakeRegularDate(sDate, sFormat, nullptr);
@@ -408,7 +408,7 @@
 bool util::byteToChar(CJS_Runtime* pRuntime,
                       const std::vector<CJS_Value>& params,
                       CJS_Value& vRet,
-                      CFX_WideString& sError) {
+                      WideString& sError) {
   if (params.size() < 1) {
     sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR);
     return false;
@@ -420,7 +420,7 @@
     return false;
   }
 
-  CFX_WideString wStr(static_cast<wchar_t>(arg));
+  WideString wStr(static_cast<wchar_t>(arg));
   vRet = CJS_Value(pRuntime, wStr.c_str());
   return true;
 }