Standardize usage of virtual/override/final in media/

media/midi/usb_midi_input_stream_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/usb_midi_input_stream.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "media/midi/usb_midi_device.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::TimeTicks;
 
 namespace media {
 
 namespace {
 
 class TestUsbMidiDevice : public UsbMidiDevice {
  public:
   TestUsbMidiDevice() {}
-  virtual ~TestUsbMidiDevice() {}
-  virtual std::vector<uint8> GetDescriptor() override {
-    return std::vector<uint8>();
-  }
-  virtual void Send(int endpoint_number,
-                    const std::vector<uint8>& data) override {}
+  ~TestUsbMidiDevice() override {}
+  std::vector<uint8> GetDescriptor() override { return std::vector<uint8>(); }
+  void Send(int endpoint_number, const std::vector<uint8>& data) override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestUsbMidiDevice);
 };
 
 class MockDelegate : public UsbMidiInputStream::Delegate {
  public:
   MockDelegate() {}
-  virtual ~MockDelegate() {}
-  virtual void OnReceivedData(size_t jack_index,
-                              const uint8* data,
-                              size_t size,
-                              base::TimeTicks time) override {
+  ~MockDelegate() override {}
+  void OnReceivedData(size_t jack_index,
+                      const uint8* data,
+                      size_t size,
+                      base::TimeTicks time) override {
     for (size_t i = 0; i < size; ++i)
       received_data_ += base::StringPrintf("0x%02x ", data[i]);
     received_data_ += "\n";
   }
 
   const std::string& received_data() const { return received_data_; }
 
  private:
   std::string received_data_;
   DISALLOW_COPY_AND_ASSIGN(MockDelegate);
@@ skipping 115 matching lines @@
 TEST_F(UsbMidiInputStreamTest, DispatchForDevice2) {
   uint8 data[] = { 0x4f, 0xf8, 0x00, 0x00 };
 
   stream_->OnReceivedData(&device2_, 7, data, arraysize(data), TimeTicks());
   EXPECT_EQ("0xf8 \n", delegate_.received_data());
 }
 
 }  // namespace
 
 }  // namespace media