Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

net/third_party/mozilla_security_manager/nsPKCS12Blob.cpp

 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
@@ skipping 398 matching lines @@
   ecx = SEC_PKCS12CreateExportContext(NULL, NULL, NULL /*slot*/, NULL);
   if (!ecx) {
     srv = SECFailure;
     goto finish;
   }
   // add password integrity
   srv = SEC_PKCS12AddPasswordIntegrity(ecx, &unicodePw, SEC_OID_SHA1);
   if (srv) goto finish;
 
   for (size_t i=0; i<certs.size(); i++) {
-    DCHECK(certs[i]);
+    DCHECK(certs[i].get());
     CERTCertificate* nssCert = certs[i]->os_cert_handle();
     DCHECK(nssCert);
 
     // We only allow certificate and private key extraction if the corresponding
     // CKA_EXTRACTABLE private key attribute is set to CK_TRUE. Most hardware
     // tokens including smartcards enforce this behavior. An internal (soft)
     // token may ignore this attribute (and hence still be able to export) but
     // we still refuse to attempt an export.
     // In addition, some tokens may not support this attribute, in which case
     // we still attempt the export and let the token implementation dictate
@@ skipping 47 matching lines @@
 finish:
   if (srv)
     LOG(ERROR) << "PKCS#12 export failed with error " << PORT_GetError();
   if (ecx)
     SEC_PKCS12DestroyExportContext(ecx);
   SECITEM_ZfreeItem(&unicodePw, PR_FALSE);
   return return_count;
 }
 
 }  // namespace mozilla_security_manager