Standardize usage of virtual/override/final specifiers.

components/policy/core/common/cloud/external_policy_data_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/external_policy_data_updater.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 41 matching lines @@
     MockFetchSuccessCallbackListener::CreateCallback(const std::string& key) {
   return base::Bind(&MockFetchSuccessCallbackListener::OnFetchSuccess,
                     base::Unretained(this),
                     key);
 }
 
 }  // namespace
 
 class ExternalPolicyDataUpdaterTest : public testing::Test {
  protected:
-  virtual void SetUp() override;
+  void SetUp() override;
 
   void CreateUpdater(size_t max_parallel_fetches);
   ExternalPolicyDataUpdater::Request CreateRequest(
       const std::string& url) const;
   void RequestExternalDataFetch(int key_index, int url_index);
   void RequestExternalDataFetch(int index);
 
   net::TestURLFetcherFactory fetcher_factory_;
   MockFetchSuccessCallbackListener callback_listener_;
   scoped_refptr<base::TestSimpleTaskRunner> backend_task_runner_;
@@ skipping 880 matching lines @@
   // Verify that the second fetch is no longer running.
   EXPECT_FALSE(fetcher_factory_.GetFetcherByID(1));
 
   // Verify that the third fetch has been started.
   fetcher = fetcher_factory_.GetFetcherByID(2);
   ASSERT_TRUE(fetcher);
   EXPECT_EQ(GURL(kExternalPolicyDataURLs[2]), fetcher->GetOriginalURL());
 }
 
 }  // namespace policy