Standardize usage of virtual/override/final specifiers.

chrome/browser/webdata/keyword_table_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 <string>
 #include <vector>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/search_engines/keyword_table.h"
 #include "components/search_engines/template_url_data.h"
 #include "components/webdata/common/web_database.h"
 #include "sql/statement.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ASCIIToUTF16;
 using base::Time;
 using base::TimeDelta;
 
 class KeywordTableTest : public testing::Test {
  public:
   KeywordTableTest() {}
-  virtual ~KeywordTableTest() {}
+  ~KeywordTableTest() override {}
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     file_ = temp_dir_.path().AppendASCII("TestWebDatabase");
 
     table_.reset(new KeywordTable);
     db_.reset(new WebDatabase);
     db_->AddTable(table_.get());
     ASSERT_EQ(sql::INIT_OK, db_->Init(file_));
   }
 
   void AddKeyword(const TemplateURLData& keyword) const {
@@ skipping 177 matching lines @@
   // previously saved into the database.
   sql::Statement s;
   GetStatement("UPDATE keywords SET url=? WHERE id=?", &s);
   s.BindString16(0, base::string16());
   s.BindInt64(1, 2000);
   EXPECT_TRUE(s.Run());
 
   // GetKeywords() should erase the entry with the empty URL field.
   EXPECT_EQ(1U, GetKeywords().size());
 }