Update from https://crrev.com/309717

crypto/rsa_private_key_nss_unittest.cc

 // Copyright (c) 2011 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 "crypto/rsa_private_key.h"
 
 #include <keyhi.h>
 #include <pk11pub.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "crypto/scoped_test_nss_db.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace crypto {
 
 class RSAPrivateKeyNSSTest : public testing::Test {
  public:
   RSAPrivateKeyNSSTest() {}
-  virtual ~RSAPrivateKeyNSSTest() {}
+  ~RSAPrivateKeyNSSTest() override {}
 
  private:
   ScopedTestNSSDB test_nssdb_;
 
   DISALLOW_COPY_AND_ASSIGN(RSAPrivateKeyNSSTest);
 };
 
 TEST_F(RSAPrivateKeyNSSTest, FindFromPublicKey) {
   // Create a keypair, which will put the keys in the user's NSSDB.
   scoped_ptr<crypto::RSAPrivateKey> key_pair(RSAPrivateKey::Create(256));
@@ skipping 21 matching lines @@
   }
   if (key_pair->public_key_) {
     PK11_DestroyTokenObject(key_pair->public_key_->pkcs11Slot,
                             key_pair->public_key_->pkcs11ID);
   }
 
   EXPECT_EQ(NULL, crypto::RSAPrivateKey::FindFromPublicKeyInfo(public_key));
 }
 
 }  // namespace crypto