XFA: Remove checks for new returning NULL in fpdfsdk.

fpdfsdk/src/fpdf_flatten.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 "../../public/fpdf_flatten.h"
 #include "../include/fsdk_define.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
 #include "../include/fpdfxfa/fpdfxfa_page.h"
@@ skipping 179 matching lines @@
                      CPDF_Document* pDocument) {
   CPDF_Object* pContentsObj = pPage->GetStream("Contents");
   if (!pContentsObj) {
     pContentsObj = pPage->GetArray("Contents");
   }
 
   if (!pContentsObj) {
     // Create a new contents dictionary
     if (!key.IsEmpty()) {
       CPDF_Stream* pNewContents = new CPDF_Stream(NULL, 0, new CPDF_Dictionary);
-      if (!pNewContents)
-        return;
       pPage->SetAtReference("Contents", pDocument,
                             pDocument->AddIndirectObject(pNewContents));
 
       CFX_ByteString sStream;
       sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
       pNewContents->SetData((const uint8_t*)sStream, sStream.GetLength(), FALSE,
                             FALSE);
     }
     return;
   }
@@ skipping 315 matching lines @@
     pNewXObject->SetData((const uint8_t*)sStream, sStream.GetLength(), FALSE,
                          FALSE);
   }
   pPageDict->RemoveAt("Annots");
 
   ObjectArray.RemoveAll();
   RectArray.RemoveAll();
 
   return FLATTEN_SUCCESS;
 }