Standardize usage of virtual/override/final specifiers.

components/policy/core/common/cloud/component_cloud_policy_updater_unittest.cc

 // Copyright (c) 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/policy/core/common/cloud/component_cloud_policy_updater.h"
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 48 matching lines @@
  public:
   virtual ~MockComponentCloudPolicyStoreDelegate() {}
 
   MOCK_METHOD0(OnComponentCloudPolicyStoreUpdated, void());
 };
 
 }  // namespace
 
 class ComponentCloudPolicyUpdaterTest : public testing::Test {
  protected:
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   scoped_ptr<em::PolicyFetchResponse> CreateResponse();
 
   scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
   base::ScopedTempDir temp_dir_;
   scoped_ptr<ResourceCache> cache_;
   scoped_ptr<ComponentCloudPolicyStore> store_;
   MockComponentCloudPolicyStoreDelegate store_delegate_;
   net::TestURLFetcherFactory fetcher_factory_;
   scoped_ptr<ExternalPolicyDataFetcherBackend> fetcher_backend_;
@@ skipping 266 matching lines @@
   // Now cancel that update before the download completes.
   EXPECT_CALL(store_delegate_, OnComponentCloudPolicyStoreUpdated()).Times(0);
   updater_->CancelUpdate(
       PolicyNamespace(POLICY_DOMAIN_EXTENSIONS, kTestExtension));
   task_runner_->RunUntilIdle();
   Mock::VerifyAndClearExpectations(&store_delegate_);
   EXPECT_FALSE(fetcher_factory_.GetFetcherByID(0));
 }
 
 }  // namespace policy