Merge to XFA: Reduce usage of operator LPCWSTR from CFX_WideString().

core/src/fpdfdoc/doc_basic.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 "../../include/fpdfdoc/fpdf_doc.h"
 const int nMaxRecursion = 32;
 int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc)
 {
@@ skipping 549 matching lines @@
     }
     bsLbl = bsOrig;
     int nPage = FXSYS_atoi(bsLbl);
     if (nPage > 0 && nPage <= nPages) {
         return nPage;
     }
     return -1;
 }
 FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_WSTR wsLabel) const
 {
-    CFX_ByteString bsLabel = PDF_EncodeText((CFX_WideString)wsLabel);
+    CFX_ByteString bsLabel = PDF_EncodeText(wsLabel.GetPtr());
     return GetPageByLabel(bsLabel);
 }