Make down-conversion explicit from CFX_Widetring to CFX_WideStringC.

xfa/fxfa/parser/xfa_localevalue.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_localevalue.h"
 
 #include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
 #include "xfa/fxfa/parser/xfa_docdata.h"
@@ skipping 351 matching lines @@
     CFX_Unitime dt;
     FX_DateFromCanonical(m_wsValue, dt);
     return dt;
   }
   return CFX_Unitime();
 }
 CFX_Unitime CXFA_LocaleValue::GetTime() const {
   if (m_bValid && m_dwType == XFA_VT_TIME) {
     CFX_Unitime dt(0);
     FXSYS_assert(m_pLocaleMgr);
-    FX_TimeFromCanonical(m_wsValue, dt, m_pLocaleMgr->GetDefLocale());
+    FX_TimeFromCanonical(m_wsValue.AsWideStringC(), dt,
+                         m_pLocaleMgr->GetDefLocale());
     return dt;
   }
   return CFX_Unitime();
 }
 CFX_Unitime CXFA_LocaleValue::GetDateTime() const {
   if (m_bValid && m_dwType == XFA_VT_DATETIME) {
     int32_t index = m_wsValue.Find('T');
     CFX_Unitime dt;
     FX_DateFromCanonical(m_wsValue.Left(index), dt);
     FXSYS_assert(m_pLocaleMgr);
-    FX_TimeFromCanonical(m_wsValue.Right(m_wsValue.GetLength() - index - 1), dt,
-                         m_pLocaleMgr->GetDefLocale());
+    FX_TimeFromCanonical(
+        m_wsValue.Right(m_wsValue.GetLength() - index - 1).AsWideStringC(), dt,
+        m_pLocaleMgr->GetDefLocale());
     return dt;
   }
   return CFX_Unitime();
 }
 FX_BOOL CXFA_LocaleValue::SetText(const CFX_WideString& wsText) {
   m_dwType = XFA_VT_TEXT;
   m_wsValue = wsText;
   return TRUE;
 }
 FX_BOOL CXFA_LocaleValue::SetText(const CFX_WideString& wsText,
@@ skipping 577 matching lines @@
       } else if (cf == L'z') {
         nf++;
       } else {
         return FALSE;
       }
     }
     n++;
   }
   return n == nCount;
 }