Standardize usage of virtual/override/final specifiers.

content/browser/indexed_db/indexed_db_database_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 "content/browser/indexed_db/indexed_db_database.h"
 
 #include <set>
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
@@ skipping 210 matching lines @@
 
 void DummyOperation(IndexedDBTransaction* transaction) {
 }
 
 class IndexedDBDatabaseOperationTest : public testing::Test {
  public:
   IndexedDBDatabaseOperationTest()
       : commit_success_(leveldb::Status::OK()),
         factory_(new MockIndexedDBFactory()) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     backing_store_ = new IndexedDBFakeBackingStore();
     leveldb::Status s;
     db_ = IndexedDBDatabase::Create(ASCIIToUTF16("db"),
                                     backing_store_.get(),
                                     factory_.get(),
                                     IndexedDBDatabase::Identifier(),
                                     &s);
     ASSERT_TRUE(s.ok());
 
     request_ = new MockIndexedDBCallbacks();
@@ skipping 168 matching lines @@
   EXPECT_EQ(1ULL, db_->metadata().object_stores.size());
 
   // This will execute the Put then Delete.
   RunPostedTasks();
   EXPECT_EQ(0ULL, db_->metadata().object_stores.size());
 
   transaction_->Commit();  // Cleans up the object hierarchy.
 }
 
 }  // namespace content