Standardize usage of virtual/override/final specifiers.

components/dom_distiller/core/dom_distiller_store_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_store.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 104 matching lines @@
 class MockDistillerObserver : public DomDistillerObserver {
  public:
   MOCK_METHOD1(ArticleEntriesUpdated, void(const std::vector<ArticleUpdate>&));
   virtual ~MockDistillerObserver() {}
 };
 
 }  // namespace
 
 class DomDistillerStoreTest : public testing::Test {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     db_model_.clear();
     sync_model_.clear();
     store_model_.clear();
     next_sync_id_ = 1;
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     store_.reset();
     fake_db_ = NULL;
     fake_sync_processor_ = NULL;
   }
 
   // Creates a simple DomDistillerStore initialized with |store_model_| and
   // with a FakeDB backed by |db_model_|.
   void CreateStore() {
     fake_db_ = new FakeDB<ArticleEntry>(&db_model_);
     store_.reset(test::util::CreateStoreWithFakeDB(fake_db_, store_model_));
@@ skipping 354 matching lines @@
   EntryMap fake_model;
   FakeSyncChangeProcessor* fake_sync_change_processor =
       new FakeSyncChangeProcessor(&fake_model);
   store_->MergeDataAndStartSyncing(
       kDomDistillerModelType, change_data,
       make_scoped_ptr<SyncChangeProcessor>(fake_sync_change_processor),
       make_scoped_ptr<SyncErrorFactory>(fake_error_factory));
 }
 
 }  // namespace dom_distiller