Reduce usage of operator LPCWSTR from CFX_WideString().

fpdfsdk/src/fpdfdoc.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/fsdk_define.h"
 #include "../include/fpdfdoc.h"
 
 static int THISMODULE = 0;
 
 static CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree, CPDF_Bookmark bookmark, const CFX_WideString& title)
 {
-        if (bookmark && bookmark.GetTitle().CompareNoCase(title) == 0) {
+        if (bookmark && bookmark.GetTitle().CompareNoCase(title.c_str()) == 0) {
                 // First check this item
                 return bookmark;
         }
         // go into children items
         CPDF_Bookmark child = tree.GetFirstChild(bookmark);
         while (child) {
                 // check if this item
                 CPDF_Bookmark found = FindBookmark(tree, child, title);
                 if (found)
                         return found;
@@ skipping 262 matching lines @@
                 return 0;
         CFX_WideString text = pInfo->GetUnicodeText(tag);
         // Use UTF-16LE encoding
         CFX_ByteString encodedText = text.UTF16LE_Encode();
         unsigned long len = encodedText.GetLength();
         if (buffer && buflen >= len) {
                 FXSYS_memcpy(buffer, encodedText.c_str(), len);
         }
         return len;
 }