Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/test/integration/enable_disable_test.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 "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/read_node.h"
 #include "sync/internal_api/public/read_transaction.h"
 
 // This file contains tests that exercise enabling and disabling data
 // types.
 
 namespace {
 
 class EnableDisableSingleClientTest : public SyncTest {
  public:
   EnableDisableSingleClientTest() : SyncTest(SINGLE_CLIENT) {}
-  virtual ~EnableDisableSingleClientTest() {}
+  ~EnableDisableSingleClientTest() override {}
 
   // Don't use self-notifications as they can trigger additional sync cycles.
   bool TestUsesSelfNotifications() override { return false; }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(EnableDisableSingleClientTest);
 };
 
 bool DoesTopLevelNodeExist(syncer::UserShare* user_share,
                            syncer::ModelType type) {
@@ skipping 118 matching lines @@
       ASSERT_EQ(GetClient(0)->IsTypePreferred(syncer::TYPED_URLS),
                 DoesTopLevelNodeExist(user_share, syncer::SESSIONS));
     } else if (it.Get() == syncer::PREFERENCES) {
       ASSERT_FALSE(DoesTopLevelNodeExist(user_share,
                                          syncer::PRIORITY_PREFERENCES));
     }
   }
 }
 
 }  // namespace