Update XFA fpdfsdk to match master

fpdfsdk/src/fsdk_baseannot.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 "core/include/fxcrt/fx_ext.h"
 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h"
 #include "fpdfsdk/include/fsdk_baseannot.h"
 #include "fpdfsdk/include/fsdk_define.h"
@@ skipping 860 matching lines @@
 
     pParentDict = pAPTypeDict;
     pStream = pAPTypeDict->GetStream(sAPState);
   }
 
   if (!pStream) {
     pStream = new CPDF_Stream(nullptr, 0, nullptr);
 
     CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
     int32_t objnum = pDoc->AddIndirectObject(pStream);
-    // pAPDict->SetAtReference(sAPType, pDoc, objnum);
-    ASSERT(pParentDict != NULL);
     pParentDict->SetAtReference(sAPType, pDoc, objnum);
   }
 
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
   if (!pStreamDict) {
     pStreamDict = new CPDF_Dictionary;
     pStreamDict->SetAtName("Type", "XObject");
     pStreamDict->SetAtName("Subtype", "Form");
     pStreamDict->SetAtInteger("FormType", 1);
     pStream->InitStream(nullptr, 0, pStreamDict);
@@ skipping 94 matching lines @@
   if (m_pPageView)
     return m_pPageView->GetPDFPage();
   return NULL;
 }
 
 CPDFXFA_Page* CPDFSDK_Annot::GetPDFXFAPage() {
   if (m_pPageView)
     return m_pPageView->GetPDFXFAPage();
   return NULL;
 }