Update {virtual,override,final} to follow C++11 style.

chrome/browser/history/android/visit_sql_handler_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_constants.h"
 #include "components/history/core/browser/android/urls_sql_handler.h"
 #include "components/history/core/browser/android/visit_sql_handler.h"
 #include "components/history/core/browser/history_constants.h"
 #include "components/history/core/browser/history_database.h"
 #include "components/history/core/test/test_history_database.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 using base::TimeDelta;
 
 namespace history {
 
 class VisitSQLHandlerTest : public testing::Test {
  public:
   VisitSQLHandlerTest()
       : urls_sql_handler_(&history_db_),
         visit_sql_handler_(&history_db_, &history_db_) {}
-  virtual ~VisitSQLHandlerTest() {}
+  ~VisitSQLHandlerTest() override {}
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     // Get a temporary directory for the test DB files.
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     base::FilePath history_db_name =
         temp_dir_.path().AppendASCII(kHistoryFilename);
     ASSERT_EQ(sql::INIT_OK, history_db_.Init(history_db_name));
   }
 
-  virtual void TearDown() {
-  }
+  void TearDown() override {}
 
   TestHistoryDatabase history_db_;
   base::ScopedTempDir temp_dir_;
   UrlsSQLHandler urls_sql_handler_;
   VisitSQLHandler visit_sql_handler_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VisitSQLHandlerTest);
 };
 
@@ skipping 242 matching lines @@
 
   TableIDRow id;
   id.url_id = url_row.id();
   TableIDRows ids;
   ids.push_back(id);
   ASSERT_TRUE(urls_sql_handler_.Delete(ids));
   EXPECT_FALSE(history_db_.GetURLRow(row.url_id(), &url_row));
 }
 
 }  // namespace history