Make CFX_WideString(const CFX_WideString&) explicit.

xfa/fxfa/app/xfa_fontmgr.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/include/xfa_fontmgr.h"
 
 #include <algorithm>
 
@@ skipping 1695 matching lines @@
       break;
     } else if (dwFontNameHash < dwLocalNameHash) {
       iStart = iMid + 1;
     } else {
       iEnd = iMid - 1;
     }
   } while (iEnd >= iStart);
 }
 const XFA_FONTINFO* XFA_GetFontINFOByFontName(
     const CFX_WideStringC& wsFontName) {
-  CFX_WideString wsFontNameTemp = wsFontName;
+  CFX_WideString wsFontNameTemp(wsFontName);
   wsFontNameTemp.Remove(L' ');
   uint32_t dwCurFontNameHash =
       FX_HashCode_GetW(wsFontNameTemp.AsStringC(), true);
   int32_t iStart = 0;
   int32_t iEnd = sizeof(g_XFAFontsMap) / sizeof(XFA_FONTINFO) - 1;
   int32_t iMid = 0;
   const XFA_FONTINFO* pFontInfo = NULL;
   do {
     iMid = (iStart + iEnd) / 2;
     uint32_t dwFontNameHash = g_XFAFontsMap[iMid].dwFontNameHash;
@@ skipping 11 matching lines @@
 
 CXFA_DefFontMgr::~CXFA_DefFontMgr() {
   for (int32_t i = 0; i < m_CacheFonts.GetSize(); i++)
     m_CacheFonts[i]->Release();
 }
 
 IFX_Font* CXFA_DefFontMgr::GetFont(CXFA_FFDoc* hDoc,
                                    const CFX_WideStringC& wsFontFamily,
                                    uint32_t dwFontStyles,
                                    uint16_t wCodePage) {
-  CFX_WideString wsFontName = wsFontFamily;
+  CFX_WideString wsFontName(wsFontFamily);
   IFX_FontMgr* pFDEFontMgr = hDoc->GetApp()->GetFDEFontMgr();
   IFX_Font* pFont =
       pFDEFontMgr->LoadFont(wsFontName.c_str(), dwFontStyles, wCodePage);
   if (!pFont) {
     const XFA_FONTINFO* pCurFont =
         XFA_GetFontINFOByFontName(wsFontName.AsStringC());
     if (pCurFont && pCurFont->pReplaceFont) {
       uint32_t dwStyle = 0;
       if (dwFontStyles & FX_FONTSTYLE_Bold) {
         dwStyle |= FX_FONTSTYLE_Bold;
@@ skipping 116 matching lines @@
 IFX_Font* CXFA_PDFFontMgr::GetFont(const CFX_WideStringC& wsFontFamily,
                                    uint32_t dwFontStyles,
                                    CPDF_Font** pPDFFont,
                                    FX_BOOL bStrictMatch) {
   uint32_t dwHashCode = FX_HashCode_GetW(wsFontFamily, false);
   CFX_ByteString strKey;
   strKey.Format("%u%u", dwHashCode, dwFontStyles);
   auto it = m_FontMap.find(strKey);
   if (it != m_FontMap.end())
     return it->second;
-  CFX_ByteString bsPsName = CFX_ByteString::FromUnicode(wsFontFamily);
+  CFX_ByteString bsPsName =
+      CFX_ByteString::FromUnicode(CFX_WideString(wsFontFamily));
   FX_BOOL bBold = (dwFontStyles & FX_FONTSTYLE_Bold) == FX_FONTSTYLE_Bold;
   FX_BOOL bItalic = (dwFontStyles & FX_FONTSTYLE_Italic) == FX_FONTSTYLE_Italic;
   CFX_ByteString strFontName = PsNameToFontName(bsPsName, bBold, bItalic);
   IFX_Font* pFont =
       FindFont(strFontName, bBold, bItalic, pPDFFont, bStrictMatch);
   if (pFont)
     m_FontMap[strKey] = pFont;
   return pFont;
 }
 
@@ skipping 169 matching lines @@
     CXFA_PDFFontMgr* pMgr = NULL;
     m_PDFFontMgrArray.GetNextAssoc(ps, (void*&)hDoc, (void*&)pMgr);
     delete pMgr;
   }
   m_PDFFontMgrArray.RemoveAll();
   m_FontMap.clear();
 }
 void CXFA_FontMgr::SetDefFontMgr(CXFA_DefFontMgr* pFontMgr) {
   m_pDefFontMgr = pFontMgr;
 }