Make CFX_ByteString(const CFX_ByteStringC&) explicit.

fpdfsdk/formfiller/cba_fontmap.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 "fpdfsdk/formfiller/cba_fontmap.h"
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
@@ skipping 149 matching lines @@
 
   // to avoid checkbox and radiobutton
   CPDF_Object* pObject = pAPDict->GetObjectBy(m_sAPType);
   if (ToDictionary(pObject))
     return;
 
   CPDF_Stream* pStream = pAPDict->GetStreamBy(m_sAPType);
   if (!pStream) {
     pStream = new CPDF_Stream(NULL, 0, NULL);
     int32_t objnum = m_pDocument->AddIndirectObject(pStream);
-    pAPDict->SetAtReference(m_sAPType.AsStringC(), m_pDocument, objnum);
+    pAPDict->SetAtReference(m_sAPType, m_pDocument, objnum);
   }
 
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
 
   if (!pStreamDict) {
     pStreamDict = new CPDF_Dictionary;
     pStream->InitStream(NULL, 0, pStreamDict);
   }
 
   if (pStreamDict) {
@@ skipping 35 matching lines @@
       pObj = FPDF_GetFieldAttr(pAcroFormDict, "DA");
       sDA = pObj ? pObj->GetString() : CFX_ByteString();
     }
   }
 
   CPDF_Dictionary* pFontDict = NULL;
 
   if (!sDA.IsEmpty()) {
     CPDF_SimpleParser syntax(sDA.AsStringC());
     syntax.FindTagParamFromStart("Tf", 2);
-    CFX_ByteString sFontName = syntax.GetWord();
+    CFX_ByteString sFontName(syntax.GetWord());
     sAlias = PDF_NameDecode(sFontName).Mid(1);
 
     if (CPDF_Dictionary* pDRDict = m_pAnnotDict->GetDictBy("DR"))
       if (CPDF_Dictionary* pDRFontDict = pDRDict->GetDictBy("Font"))
         pFontDict = pDRFontDict->GetDictBy(sAlias);
 
     if (!pFontDict)
       if (CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictBy("AP"))
         if (CPDF_Dictionary* pNormalDict = pAPDict->GetDictBy("N"))
           if (CPDF_Dictionary* pNormalResDict =
@@ skipping 15 matching lines @@
 
   return pFontDict ? m_pDocument->LoadFont(pFontDict) : nullptr;
 }
 
 void CBA_FontMap::SetAPType(const CFX_ByteString& sAPType) {
   m_sAPType = sAPType;
 
   Reset();
   Initialize();
 }