Standardize usage of virtual/override/final specifiers.

components/suggestions/blacklist_store_unittest.cc

 // 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.
 
 #include "components/suggestions/blacklist_store.h"
 
 #include <set>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 37 matching lines @@
   }
 }
 
 }  // namespace
 
 class BlacklistStoreTest : public testing::Test {
  public:
   BlacklistStoreTest()
     : pref_service_(new user_prefs::TestingPrefServiceSyncable) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     BlacklistStore::RegisterProfilePrefs(pref_service()->registry());
   }
 
   user_prefs::TestingPrefServiceSyncable* pref_service() {
     return pref_service_.get();
   }
 
  private:
   scoped_ptr<user_prefs::TestingPrefServiceSyncable> pref_service_;
 
@@ skipping 78 matching lines @@
 
   // Create a new BlacklistStore and verify the counts.
   blacklist_store.reset(new BlacklistStore(pref_service()));
 
   histogram_tester.ExpectTotalCount("Suggestions.LocalBlacklistSize", 2);
   histogram_tester.ExpectBucketCount("Suggestions.LocalBlacklistSize", 0, 1);
   histogram_tester.ExpectBucketCount("Suggestions.LocalBlacklistSize", 2, 1);
 }
 
 }  // namespace suggestions