Standardize usage of virtual/override/final specifiers.

content/browser/indexed_db/indexed_db_quota_client_unittest.cc

 // Copyright (c) 2011 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 <map>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 51 matching lines @@
   void FlushIndexedDBTaskRunner() { task_runner_->RunUntilIdle(); }
 
   void setup_temp_dir() {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     base::FilePath indexeddb_dir =
         temp_dir_.path().Append(IndexedDBContextImpl::kIndexedDBDirectory);
     ASSERT_TRUE(base::CreateDirectory(indexeddb_dir));
     idb_context()->set_data_path_for_testing(indexeddb_dir);
   }
 
-  virtual ~IndexedDBQuotaClientTest() {
+  ~IndexedDBQuotaClientTest() override {
     FlushIndexedDBTaskRunner();
     idb_context_ = NULL;
     browser_context_.reset();
     base::MessageLoop::current()->RunUntilIdle();
   }
 
   int64 GetOriginUsage(storage::QuotaClient* client,
                        const GURL& origin,
                        storage::StorageType type) {
     usage_ = -1;
@@ skipping 153 matching lines @@
   EXPECT_EQ(1000, GetOriginUsage(&client, kOriginA, kTemp));
   EXPECT_EQ(50, GetOriginUsage(&client, kOriginB, kTemp));
 
   storage::QuotaStatusCode delete_status = DeleteOrigin(&client, kOriginA);
   EXPECT_EQ(storage::kQuotaStatusOk, delete_status);
   EXPECT_EQ(0, GetOriginUsage(&client, kOriginA, kTemp));
   EXPECT_EQ(50, GetOriginUsage(&client, kOriginB, kTemp));
 }
 
 }  // namespace content