Standardize usage of virtual/override/final specifiers.

components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics_prefs_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 "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/time/time.h"
@@ skipping 21 matching lines @@
 }  // namespace
 
 namespace data_reduction_proxy {
 
 class DataReductionProxyStatisticsPrefsTest : public testing::Test {
  protected:
   DataReductionProxyStatisticsPrefsTest()
       : task_runner_(scoped_refptr<base::TestSimpleTaskRunner>(
             new base::TestSimpleTaskRunner())) {}
 
-  virtual void SetUp() override {
-    RegisterPrefs(simple_pref_service_.registry());
-  }
+  void SetUp() override { RegisterPrefs(simple_pref_service_.registry()); }
 
   // Create daily pref list of |kNumDaysInHistory| zero values.
   void CreatePrefList(const char* pref) {
     base::ListValue* update = statistics_prefs_->GetList(pref);
     update->Clear();
     for (size_t i = 0; i < kNumDaysInHistory; ++i) {
       update->Insert(0, new base::StringValue(base::Int64ToString(0)));
     }
   }
 
@@ skipping 158 matching lines @@
 
   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpOriginalContentLength);
   VerifyPrefWasWritten(data_reduction_proxy::prefs::kHttpReceivedContentLength);
   VerifyPrefListWasWritten(
       data_reduction_proxy::prefs::kDailyHttpOriginalContentLength);
   VerifyPrefListWasWritten(
       data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 }
 
 }  // namespace data_reduction_proxy