Make element removal methods in DictionaryValue and ListValue take scoped_ptr's as outparams.

chromeos/network/onc/onc_certificate_importer_impl_unittest.cc

 // Copyright 2013 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 "chromeos/network/onc/onc_certificate_importer_impl.h"
 
 #include <cert.h>
 #include <certdb.h>
 #include <keyhi.h>
 #include <pk11pub.h>
@@ skipping 62 matching lines @@
     EXPECT_TRUE(CleanupSlotContents());
     EXPECT_EQ(0ul, ListCertsInSlot().size());
   }
 
   virtual ~ONCCertificateImporterImplTest() {}
 
  protected:
   void AddCertificatesFromFile(std::string filename, bool expected_success) {
     scoped_ptr<base::DictionaryValue> onc =
         test_utils::ReadTestDictionary(filename);
-    base::Value* certificates_value = NULL;
+    scoped_ptr<base::Value> certificates_value;
     base::ListValue* certificates = NULL;
     onc->RemoveWithoutPathExpansion(toplevel_config::kCertificates,
                                     &certificates_value);
-    certificates_value->GetAsList(&certificates);
+    certificates_value.release()->GetAsList(&certificates);
     onc_certificates_.reset(certificates);
 
     web_trust_certificates_.clear();
     imported_server_and_ca_certs_.clear();
     CertificateImporterImpl importer;
     EXPECT_EQ(
         expected_success,
         importer.ParseAndStoreCertificates(true,  // allow web trust
                                            *certificates,
                                            &web_trust_certificates_,
@@ skipping 214 matching lines @@
                   "certificate-client-update.onc"),
         CertParam(net::SERVER_CERT,
                   "certificate-server.onc",
                   "certificate-server-update.onc"),
         CertParam(net::CA_CERT,
                   "certificate-web-authority.onc",
                   "certificate-web-authority-update.onc")));
 
 }  // namespace onc
 }  // namespace chromeos