Standardize usage of virtual/override/final specifiers.

media/midi/midi_manager_usb_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 "media/midi/midi_manager_usb.h"
 
 #include <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 141 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(MidiManagerUsbForTesting);
 };
 
 class MidiManagerUsbTest : public ::testing::Test {
  public:
   MidiManagerUsbTest() : message_loop_(new base::MessageLoop) {
     scoped_ptr<TestUsbMidiDeviceFactory> factory(new TestUsbMidiDeviceFactory);
     factory_ = factory.get();
     manager_.reset(new MidiManagerUsbForTesting(factory.Pass()));
   }
-  virtual ~MidiManagerUsbTest() {
+  ~MidiManagerUsbTest() override {
     std::string leftover_logs = logger_.TakeLog();
     if (!leftover_logs.empty()) {
       ADD_FAILURE() << "Log should be empty: " << leftover_logs;
     }
   }
 
  protected:
   void Initialize() {
     client_.reset(new FakeMidiManagerClient(&logger_));
     manager_->StartSession(client_.get());
@@ skipping 187 matching lines @@
             "data = 0x90 0x45 0x7f\n"
             "MidiManagerClient::ReceiveMidiData port_index = 0 "
             "data = 0xf0 0x00 0x01\n"
             "MidiManagerClient::ReceiveMidiData port_index = 0 data = 0xf7\n",
             logger_.TakeLog());
 }
 
 }  // namespace
 
 }  // namespace media