Standardize usage of virtual/override/final specifiers.

components/leveldb_proto/proto_database_impl_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/leveldb_proto/proto_database_impl.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 65 matching lines @@
     EXPECT_TRUE(expected_it != expected.end());
     std::string serialized_expected = expected_it->second.SerializeAsString();
     std::string serialized_actual = actual[i].SerializeAsString();
     EXPECT_EQ(serialized_expected, serialized_actual);
     expected.erase(expected_it);
   }
 }
 
 class ProtoDatabaseImplTest : public testing::Test {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     main_loop_.reset(new MessageLoop());
     db_.reset(
         new ProtoDatabaseImpl<TestProto>(main_loop_->message_loop_proxy()));
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     db_.reset();
     base::RunLoop().RunUntilIdle();
     main_loop_.reset();
   }
 
   scoped_ptr<ProtoDatabaseImpl<TestProto> > db_;
   scoped_ptr<MessageLoop> main_loop_;
 };
 
 // Test that ProtoDatabaseImpl calls Init on the underlying database and that
@@ skipping 285 matching lines @@
 
 TEST(ProtoDatabaseImplLevelDBTest, TestDBSaveAndLoad) {
   TestLevelDBSaveAndLoad(false);
 }
 
 TEST(ProtoDatabaseImplLevelDBTest, TestDBCloseAndReopen) {
   TestLevelDBSaveAndLoad(true);
 }
 
 }  // namespace leveldb_proto