Standardize usage of virtual/override/final specifiers.

content/child/indexed_db/indexed_db_dispatcher_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 "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/values.h"
 #include "content/child/indexed_db/indexed_db_dispatcher.h"
 #include "content/child/indexed_db/webidbcursor_impl.h"
 #include "content/child/thread_safe_sender.h"
@@ skipping 50 matching lines @@
 }  // namespace
 
 class IndexedDBDispatcherTest : public testing::Test {
  public:
   IndexedDBDispatcherTest()
       : message_loop_proxy_(base::MessageLoopProxy::current()),
         sync_message_filter_(new IPC::SyncMessageFilter(NULL)),
         thread_safe_sender_(new ThreadSafeSender(message_loop_proxy_.get(),
                                                  sync_message_filter_.get())) {}
 
-  virtual void TearDown() override {
-    blink::WebHeap::collectAllGarbageForTesting();
-  }
+  void TearDown() override { blink::WebHeap::collectAllGarbageForTesting(); }
 
  protected:
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcherTest);
 };
 
@@ skipping 258 matching lines @@
                                       cursor1_transaction_id);
 
   EXPECT_EQ(2, cursor1->reset_count());
   EXPECT_EQ(0, cursor2->reset_count());
 
   cursor1.reset();
   cursor2.reset();
 }
 
 }  // namespace content