Standardize usage of virtual/override/final in content/browser/

content/browser/indexed_db/mock_browsertest_indexed_db_class_factory.h

 // 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_MOCK_BROWSERTEST_INDEXED_DB_CLASS_FACTORY_H_
 #define CONTENT_BROWSER_INDEXED_DB_MOCK_BROWSERTEST_INDEXED_DB_CLASS_FACTORY_H_
 
 #include <map>
 
 #include "content/browser/indexed_db/indexed_db_class_factory.h"
@@ skipping 12 matching lines @@
 enum FailMethod {
   FAIL_METHOD_NOTHING,
   FAIL_METHOD_COMMIT,
   FAIL_METHOD_GET,
   FAIL_METHOD_SEEK,
 };
 
 class MockBrowserTestIndexedDBClassFactory : public IndexedDBClassFactory {
  public:
   MockBrowserTestIndexedDBClassFactory();
-  virtual ~MockBrowserTestIndexedDBClassFactory();
-  virtual LevelDBTransaction* CreateLevelDBTransaction(
-      LevelDBDatabase* db) override;
-  virtual LevelDBIteratorImpl* CreateIteratorImpl(
+  ~MockBrowserTestIndexedDBClassFactory() override;
+  LevelDBTransaction* CreateLevelDBTransaction(LevelDBDatabase* db) override;
+  LevelDBIteratorImpl* CreateIteratorImpl(
       scoped_ptr<leveldb::Iterator> iterator) override;
 
   void FailOperation(FailClass failure_class,
                      FailMethod failure_method,
                      int fail_on_instance_num,
                      int fail_on_call_num);
   void Reset();
 
  private:
   FailClass failure_class_;
   FailMethod failure_method_;
   std::map<FailClass, int> instance_count_;
   std::map<FailClass, int> fail_on_instance_num_;
   std::map<FailClass, int> fail_on_call_num_;
   bool only_trace_calls_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_MOCK_BROWSERTEST_INDEXED_DB_CLASS_FACTORY_H_