Check X509Certificate::CreateFromHandle result.

net/cert/x509_certificate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/x509_certificate.h"
 
 #include <limits.h>
 #include <stdlib.h>
 
 #include <algorithm>
@@ skipping 427 matching lines @@
                                                   kFormatDecodePriority[i]);
   }
 
   CertificateList results;
   // No certificates parsed.
   if (certificates.empty())
     return results;
 
   for (OSCertHandles::iterator it = certificates.begin();
        it != certificates.end(); ++it) {
-    results.push_back(CreateFromHandle(*it, OSCertHandles()));
+    scoped_refptr<X509Certificate> cert =
+        CreateFromHandle(*it, OSCertHandles());
+    if (cert)
+      results.push_back(std::move(cert));
     FreeOSCertHandle(*it);
   }
 
   return results;
 }
 
 void X509Certificate::Persist(base::Pickle* pickle) {
   DCHECK(cert_handle_);
   // This would be an absolutely insane number of intermediates.
   if (intermediate_ca_certs_.size() > static_cast<size_t>(INT_MAX) - 1) {
@@ skipping 260 matching lines @@
     RemoveFromCache(cert_handle_);
     FreeOSCertHandle(cert_handle_);
   }
   for (size_t i = 0; i < intermediate_ca_certs_.size(); ++i) {
     RemoveFromCache(intermediate_ca_certs_[i]);
     FreeOSCertHandle(intermediate_ca_certs_[i]);
   }
 }
 
 }  // namespace net