Standardize usage of virtual/override/final specifiers in sql/.

sql/recovery_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 <string>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 47 matching lines @@
 std::string GetSchema(sql::Connection* db) {
   const char kSql[] =
       "SELECT COALESCE(sql, name) FROM sqlite_master ORDER BY 1";
   return ExecuteWithResults(db, kSql, "|", "\n");
 }
 
 class SQLRecoveryTest : public testing::Test {
  public:
   SQLRecoveryTest() {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     ASSERT_TRUE(db_.Open(db_path()));
   }
 
-  virtual void TearDown() {
-    db_.Close();
-  }
+  void TearDown() override { db_.Close(); }
 
   sql::Connection& db() { return db_; }
 
   base::FilePath db_path() {
     return temp_dir_.path().AppendASCII("SQLRecoveryTest.db");
   }
 
   bool Reopen() {
     db_.Close();
     return db_.Open(db_path());
@@ skipping 625 matching lines @@
     EXPECT_TRUE(recovery->AutoRecoverTable("x", 0, &rows));
     EXPECT_EQ(43u, rows);
 
     // Successfully recovered.
     EXPECT_TRUE(sql::Recovery::Recovered(recovery.Pass()));
   }
 }
 #endif  // !defined(USE_SYSTEM_SQLITE)
 
 }  // namespace