Replace calls to deprecated CFX_{Wide,Byte}String::Empty()

xfa/fxfa/parser/xfa_localemgr.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/parser/xfa_localemgr.h"
 
 #include "core/fxcodec/include/fx_codec.h"
 #include "core/fxcrt/include/fx_xml.h"
@@ skipping 1229 matching lines @@
   IFX_Locale* pLocale = GetLocale(dwLangueID);
   if (pLocale)
     m_XMLLocaleArray.Add(pLocale);
   return pLocale;
 }
 void CXFA_LocaleMgr::SetDefLocale(IFX_Locale* pLocale) {
   m_pDefLocale = pLocale;
 }
 CFX_WideStringC CXFA_LocaleMgr::GetConfigLocaleName(CXFA_Node* pConfig) {
   if (!(m_dwLocaleFlags & 0x01)) {
-    m_wsConfigLocale.Empty();
+    m_wsConfigLocale.clear();
     if (pConfig) {
       CXFA_Node* pChildfConfig =
           pConfig->GetFirstChildByClass(XFA_ELEMENT_Acrobat);
       if (!pChildfConfig) {
         pChildfConfig = pConfig->GetFirstChildByClass(XFA_ELEMENT_Present);
       }
       CXFA_Node* pCommon =
           pChildfConfig
               ? pChildfConfig->GetFirstChildByClass(XFA_ELEMENT_Common)
               : NULL;
@@ skipping 42 matching lines @@
   m_tz.tzMinute = (int8_t)((FXSYS_abs((int)timezone) % 3600) / 60);
 #endif
 }
 CXFA_TimeZoneProvider::~CXFA_TimeZoneProvider() {}
 void CXFA_TimeZoneProvider::SetTimeZone(FX_TIMEZONE& tz) {
   m_tz = tz;
 }
 void CXFA_TimeZoneProvider::GetTimeZone(FX_TIMEZONE& tz) {
   tz = m_tz;
 }