Add type cast definitions for CPDF_Name.

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.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 <set>
 #include <utility>
 #include <vector>
 
@@ skipping 3789 matching lines @@
     if (!bNumber) {
       return -1;
     }
     FX_DWORD objNum = FXSYS_atoi(objnum);
     CPDF_Object* pObj = m_parser.ParseIndirectObjectAt(NULL, 0, objNum, NULL);
     if (!pObj) {
       m_Pos += m_parser.m_Syntax.SavePos();
       return 0;
     }
     CPDF_Dictionary* pDict = pObj->GetDict();
-    CPDF_Object* pName = pDict ? pDict->GetElement(FX_BSTRC("Type")) : NULL;
-    if (pName && pName->GetType() == PDFOBJ_NAME) {
+    CPDF_Name* pName =
+        ToName(pDict ? pDict->GetElement(FX_BSTRC("Type")) : nullptr);
+    if (pName) {
       if (pName->GetString() == FX_BSTRC("XRef")) {
         m_Pos += m_parser.m_Syntax.SavePos();
         xref_offset = pObj->GetDict()->GetInteger(FX_BSTRC("Prev"));
         pObj->Release();
         return 1;
       }
     }
     pObj->Release();
     return -1;
   }
@@ skipping 793 matching lines @@
   return FALSE;
 }
 CPDF_PageNode::~CPDF_PageNode() {
   int32_t iSize = m_childNode.GetSize();
   for (int32_t i = 0; i < iSize; ++i) {
     CPDF_PageNode* pNode = (CPDF_PageNode*)m_childNode[i];
     delete pNode;
   }
   m_childNode.RemoveAll();
 }