Standardize usage of virtual/override/final specifiers.

components/sync_driver/data_type_manager_impl_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/sync_driver/data_type_manager_impl.h"
 
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "components/sync_driver/backend_data_type_configurer.h"
 #include "components/sync_driver/data_type_controller.h"
@@ skipping 239 matching lines @@
   ModelTypeSet custom_priority_types_;
   DataTypeManager::ConfigureResult configure_result_;
 };
 
 // The actual test harness class, parametrized on nigori state (i.e., tests are
 // run both configuring with nigori, and configuring without).
 class SyncDataTypeManagerImplTest : public testing::Test {
  public:
   SyncDataTypeManagerImplTest() {}
 
-  virtual ~SyncDataTypeManagerImplTest() {
-  }
+  ~SyncDataTypeManagerImplTest() override {}
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
    dtm_.reset(
        new TestDataTypeManager(
            syncer::WeakHandle<syncer::DataTypeDebugInfoListener>(),
            &configurer_,
            &controllers_,
            &encryption_handler_,
            &observer_));
   }
 
   void SetConfigureStartExpectation() {
@@ skipping 1134 matching lines @@
   EXPECT_EQ(DataTypeManager::DOWNLOAD_PENDING, dtm_->state());
   EXPECT_EQ(DataTypeController::NOT_RUNNING, GetController(BOOKMARKS)->state());
 
   FinishDownload(*dtm_, ModelTypeSet(), ModelTypeSet());
 
   EXPECT_EQ(DataTypeManager::CONFIGURED, dtm_->state());
   EXPECT_EQ(0U, configurer_.activated_types().Size());
 }
 
 }  // namespace sync_driver