Standardize usage of virtual/override/final in components/

components/metrics/daily_event_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/metrics/daily_event.h"
 
 #include "base/prefs/testing_pref_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace metrics {
 
 namespace {
 
 const char kTestPrefName[] = "TestPref";
 const char kTestMetricName[] = "TestMetric";
 
 class TestDailyObserver : public DailyEvent::Observer {
  public:
   TestDailyObserver() : fired_(false) {}
 
   bool fired() const { return fired_; }
 
-  virtual void OnDailyEvent() override {
-    fired_ = true;
-  }
+  void OnDailyEvent() override { fired_ = true; }
 
   void Reset() {
     fired_ = false;
   }
 
  private:
   // True if this event has been observed.
   bool fired_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDailyObserver);
@@ skipping 51 matching lines @@
 
 // The event should not fire if the preference is less than a day in the future.
 TEST_F(DailyEventTest, TestSoonNotFired) {
   base::Time last_time = base::Time::Now() + base::TimeDelta::FromMinutes(2);
   prefs_.SetInt64(kTestPrefName, last_time.ToInternalValue());
   event_.CheckInterval();
   EXPECT_FALSE(observer_->fired());
 }
 
 }  // namespace metrics