Cleanup unreachable cert adding code

chromeos/cert_loader_unittest.cc

 // Copyright 2014 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/cert_loader.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 28 matching lines @@
 
 class TestNSSCertDatabase : public net::NSSCertDatabaseChromeOS {
  public:
   TestNSSCertDatabase(crypto::ScopedPK11Slot public_slot,
                       crypto::ScopedPK11Slot private_slot)
       : NSSCertDatabaseChromeOS(std::move(public_slot),
                                 std::move(private_slot)) {}
   ~TestNSSCertDatabase() override {}
 
   void NotifyOfCertAdded(const net::X509Certificate* cert) {
-    NSSCertDatabaseChromeOS::NotifyObserversOfCertAdded(cert);
+    NSSCertDatabaseChromeOS::NotifyObserversCertDBChanged(nullptr);
   }
 };
 
 class CertLoaderTest : public testing::Test,
                        public CertLoader::Observer {
  public:
   CertLoaderTest()
       : cert_loader_(nullptr), certificates_loaded_events_count_(0U) {}
 
   ~CertLoaderTest() override {}
@@ skipping 217 matching lines @@
   ASSERT_TRUE(primary_certdb_->SetCertTrust(certs[0].get(), net::CA_CERT,
                                             net::NSSCertDatabase::TRUSTED_SSL));
 
   // Cert trust change should trigger certificate reload in cert_loader_.
   ASSERT_EQ(0U, GetAndResetCertificatesLoadedEventsCount());
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1U, GetAndResetCertificatesLoadedEventsCount());
 }
 
 }  // namespace chromeos