Standardize usage of virtual/override/final in net/

net/quic/quic_http_stream_test.cc

 // Copyright (c) 2012 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 "net/quic/quic_http_stream.h"
 
 #include <vector>
 
 #include "net/base/chunked_upload_data_stream.h"
 #include "net/base/elements_upload_data_stream.h"
@@ skipping 80 matching lines @@
 };
 
 // Subclass of QuicHttpStream that closes itself when the first piece of data
 // is received.
 class AutoClosingStream : public QuicHttpStream {
  public:
   explicit AutoClosingStream(const base::WeakPtr<QuicClientSession>& session)
       : QuicHttpStream(session) {
   }
 
-  virtual int OnDataReceived(const char* data, int length) override {
+  int OnDataReceived(const char* data, int length) override {
     Close(false);
     return OK;
   }
 };
 
 class TestPacketWriterFactory : public QuicConnection::PacketWriterFactory {
  public:
   explicit TestPacketWriterFactory(DatagramClientSocket* socket)
       : socket_(socket) {}
-  virtual ~TestPacketWriterFactory() {}
+  ~TestPacketWriterFactory() override {}
 
-  virtual QuicPacketWriter* Create(QuicConnection* connection) const override {
+  QuicPacketWriter* Create(QuicConnection* connection) const override {
     return new QuicDefaultPacketWriter(socket_);
   }
 
  private:
   DatagramClientSocket* socket_;
 };
 
 }  // namespace
 
 class QuicHttpStreamPeer {
@@ skipping 648 matching lines @@
   // Set Delegate to nullptr and make sure EffectivePriority returns highest
   // priority.
   reliable_stream->SetDelegate(nullptr);
   DCHECK_EQ(QuicWriteBlockedList::kHighestPriority,
             reliable_stream->EffectivePriority());
   reliable_stream->SetDelegate(delegate);
 }
 
 }  // namespace test
 }  // namespace net