Standardize usage of virtual/override/final specifiers.

components/dom_distiller/core/dom_distiller_service_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 "components/dom_distiller/core/dom_distiller_service.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 61 matching lines @@
 
 scoped_ptr<DistilledArticleProto> CreateDefaultArticle() {
   return CreateArticleWithURL("http://www.example.com/default_article_page1")
       .Pass();
 }
 
 }  // namespace
 
 class DomDistillerServiceTest : public testing::Test {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     main_loop_.reset(new base::MessageLoop());
     FakeDB<ArticleEntry>* fake_db = new FakeDB<ArticleEntry>(&db_model_);
     FakeDB<ArticleEntry>::EntryMap store_model;
     store_ =
         test::util::CreateStoreWithFakeDB(fake_db, store_model);
     distiller_factory_ = new MockDistillerFactory();
     distiller_page_factory_ = new MockDistillerPageFactory();
     service_.reset(new DomDistillerService(
         scoped_ptr<DomDistillerStoreInterface>(store_),
         scoped_ptr<DistillerFactory>(distiller_factory_),
         scoped_ptr<DistillerPageFactory>(distiller_page_factory_),
         scoped_ptr<DistilledPagePrefs>()));
     fake_db->InitCallback(true);
     fake_db->LoadCallback(true);
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     base::RunLoop().RunUntilIdle();
     store_ = NULL;
     distiller_factory_ = NULL;
     service_.reset();
   }
 
  protected:
   // store is owned by service_.
   DomDistillerStoreInterface* store_;
   MockDistillerFactory* distiller_factory_;
@@ skipping 455 matching lines @@
 
   // Remove the article and check that no URL can be retrieved for the entry.
   service_->RemoveEntry(entry_id);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(0u, store_->GetEntries().size());
   EXPECT_EQ("", service_->GetUrlForEntry(entry_id));
 }
 
 }  // namespace test
 }  // namespace dom_distiller