Make down-conversion explicit from CFX_ByteString to CFX_ByteStringC.

core/fpdfdoc/doc_action.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 <vector>
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
@@ skipping 20 matching lines @@
   CFX_ByteString type = m_pDict->GetStringBy("S");
   if (type != "GoTo" && type != "GoToR") {
     return CPDF_Dest();
   }
   CPDF_Object* pDest = m_pDict->GetDirectObjectBy("D");
   if (!pDest) {
     return CPDF_Dest();
   }
   if (pDest->IsString() || pDest->IsName()) {
     CPDF_NameTree name_tree(pDoc, "Dests");
-    CFX_ByteStringC name = pDest->GetString();
-    return CPDF_Dest(name_tree.LookupNamedDest(pDoc, name));
+    return CPDF_Dest(
+        name_tree.LookupNamedDest(pDoc, pDest->GetString().AsByteStringC()));
   }
   if (CPDF_Array* pArray = pDest->AsArray())
     return CPDF_Dest(pArray);
   return CPDF_Dest();
 }
 
 CPDF_Action::ActionType CPDF_Action::GetType() const {
   if (!m_pDict)
     return Unknown;
 
@@ skipping 241 matching lines @@
   if (!ToDictionary(pAction)) {
     return CPDF_Action();
   }
   return CPDF_Action(pAction->GetDict());
 }
 int CPDF_DocJSActions::FindJSAction(const CFX_ByteString& csName) const {
   ASSERT(m_pDocument);
   CPDF_NameTree name_tree(m_pDocument, "JavaScript");
   return name_tree.GetIndex(csName);
 }