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

content/browser/indexed_db/indexed_db_unittest.cc

 // Copyright (c) 2012 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 "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/indexed_db/indexed_db_connection.h"
@@ skipping 112 matching lines @@
 }
 
 class ForceCloseDBCallbacks : public IndexedDBCallbacks {
  public:
   ForceCloseDBCallbacks(scoped_refptr<IndexedDBContextImpl> idb_context,
                         const GURL& origin_url)
       : IndexedDBCallbacks(NULL, 0, 0),
         idb_context_(idb_context),
         origin_url_(origin_url) {}
 
-  virtual void OnSuccess() override {}
-  virtual void OnSuccess(const std::vector<base::string16>&) override {}
-  virtual void OnSuccess(scoped_ptr<IndexedDBConnection> connection,
-                         const IndexedDBDatabaseMetadata& metadata) override {
+  void OnSuccess() override {}
+  void OnSuccess(const std::vector<base::string16>&) override {}
+  void OnSuccess(scoped_ptr<IndexedDBConnection> connection,
+                 const IndexedDBDatabaseMetadata& metadata) override {
     connection_ = connection.Pass();
     idb_context_->ConnectionOpened(origin_url_, connection_.get());
   }
 
   IndexedDBConnection* connection() { return connection_.get(); }
 
  protected:
-  virtual ~ForceCloseDBCallbacks() {}
+  ~ForceCloseDBCallbacks() override {}
 
  private:
   scoped_refptr<IndexedDBContextImpl> idb_context_;
   GURL origin_url_;
   scoped_ptr<IndexedDBConnection> connection_;
   DISALLOW_COPY_AND_ASSIGN(ForceCloseDBCallbacks);
 };
 
 TEST_F(IndexedDBTest, ForceCloseOpenDatabasesOnDelete) {
   base::ScopedTempDir temp_dir;
@@ skipping 130 matching lines @@
 
   // Simulate the write failure.
   leveldb::Status status = leveldb::Status::IOError("Simulated failure");
   callbacks->connection()->database()->TransactionCommitFailed(status);
 
   EXPECT_TRUE(db_callbacks->forced_close_called());
   EXPECT_FALSE(factory->IsBackingStoreOpen(kTestOrigin));
 }
 
 }  // namespace content