Gender-neutralize a few more comments / strings.

components/password_manager/core/browser/login_database_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 "components/password_manager/core/browser/login_database.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 274 matching lines @@
   // The user's request for the HTTPS site is intercepted
   // by an attacker who presents an invalid SSL cert.
   PasswordForm form5(form4);
   form5.ssl_valid = 0;
 
   // It will match in this case.
   EXPECT_TRUE(db().GetLogins(form5, &result));
   EXPECT_EQ(1U, result.size());
   result.clear();
 
-  // User changes his password.
+  // User changes their password.
   PasswordForm form6(form5);
   form6.password_value = ASCIIToUTF16("test6");
   form6.preferred = true;
 
   // We update, and check to make sure it matches the
   // old form, and there is only one record.
   EXPECT_EQ(UpdateChangeForForm(form6), db().UpdateLogin(form6));
   // matches
   EXPECT_TRUE(db().GetLogins(form5, &result));
   EXPECT_EQ(1U, result.size());
@@ skipping 1370 matching lines @@
                         LoginDatabaseMigrationTest,
                         testing::Range(1, kCurrentVersionNumber + 1));
 INSTANTIATE_TEST_CASE_P(MigrationToVCurrent,
                         LoginDatabaseMigrationTestV9,
                         testing::Values(9));
 INSTANTIATE_TEST_CASE_P(MigrationToVCurrent,
                         LoginDatabaseMigrationTestBroken,
                         testing::Range(1, 4));
 
 }  // namespace password_manager