Standardize usage of virtual/override/final specifiers.

media/cast/logging/simple_event_subscriber_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/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "media/cast/cast_environment.h"
 #include "media/cast/logging/logging_defines.h"
@@ skipping 10 matching lines @@
       : testing_clock_(new base::SimpleTestTickClock()),
         task_runner_(new test::FakeSingleThreadTaskRunner(testing_clock_)),
         cast_environment_(new CastEnvironment(
             scoped_ptr<base::TickClock>(testing_clock_).Pass(),
             task_runner_,
             task_runner_,
             task_runner_)) {
     cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_);
   }
 
-  virtual ~SimpleEventSubscriberTest() {
+  ~SimpleEventSubscriberTest() override {
     cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber_);
   }
 
   base::SimpleTestTickClock* testing_clock_;  // Owned by CastEnvironment.
   scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
   scoped_refptr<CastEnvironment> cast_environment_;
   SimpleEventSubscriber event_subscriber_;
 };
 
 TEST_F(SimpleEventSubscriberTest, GetAndResetEvents) {
@@ skipping 36 matching lines @@
   // Calling this function again should result in empty vector because no events
   // were logged since last call.
   event_subscriber_.GetFrameEventsAndReset(&frame_events);
   event_subscriber_.GetPacketEventsAndReset(&packet_events);
   EXPECT_TRUE(frame_events.empty());
   EXPECT_TRUE(packet_events.empty());
 }
 
 }  // namespace cast
 }  // namespace media