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

chrome/browser/history/android/visit_sql_handler_unittest.cc

Index: chrome/browser/history/android/visit_sql_handler_unittest.cc
diff --git a/chrome/browser/history/android/visit_sql_handler_unittest.cc b/chrome/browser/history/android/visit_sql_handler_unittest.cc
index 3229d7ae8435d472d0b394ef0f9a0dac01ecd336..723b0feee8c9983e7b3dd8ce1f183ddb869784b8 100644
--- a/chrome/browser/history/android/visit_sql_handler_unittest.cc
+++ b/chrome/browser/history/android/visit_sql_handler_unittest.cc
@@ -26,10 +26,10 @@ class VisitSQLHandlerTest : public testing::Test {
   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 =
@@ -37,8 +37,7 @@ class VisitSQLHandlerTest : public testing::Test {
     ASSERT_EQ(sql::INIT_OK, history_db_.Init(history_db_name));
   }
 
-  virtual void TearDown() {
-  }
+  void TearDown() override {}
 
   TestHistoryDatabase history_db_;
   base::ScopedTempDir temp_dir_;