Standardize usage of virtual/override/final in net/

net/spdy/spdy_write_queue_unittest.cc

 // Copyright (c) 2013 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/spdy/spdy_write_queue.h"
 
 #include <cstddef>
 #include <cstring>
 #include <string>
 
@@ skipping 41 matching lines @@
 // Producer whose produced buffer will enqueue yet another buffer into the
 // SpdyWriteQueue upon destruction.
 class RequeingBufferProducer : public SpdyBufferProducer {
  public:
   RequeingBufferProducer(SpdyWriteQueue* queue) {
     buffer_.reset(new SpdyBuffer(kOriginal, arraysize(kOriginal)));
     buffer_->AddConsumeCallback(
         base::Bind(RequeingBufferProducer::ConsumeCallback, queue));
   }
 
-  virtual scoped_ptr<SpdyBuffer> ProduceBuffer() override {
-    return buffer_.Pass();
-  }
+  scoped_ptr<SpdyBuffer> ProduceBuffer() override { return buffer_.Pass(); }
 
   static void ConsumeCallback(SpdyWriteQueue* queue,
                               size_t size,
                               SpdyBuffer::ConsumeSource source) {
     scoped_ptr<SpdyBufferProducer> producer(
         new SimpleBufferProducer(scoped_ptr<SpdyBuffer>(
             new SpdyBuffer(kRequeued, arraysize(kRequeued)))));
 
     queue->Enqueue(
         MEDIUM, RST_STREAM, producer.Pass(), base::WeakPtr<SpdyStream>());
@@ skipping 292 matching lines @@
   scoped_ptr<SpdyBufferProducer> producer;
   base::WeakPtr<SpdyStream> weak_stream;
 
   EXPECT_TRUE(queue.Dequeue(&frame_type, &producer, &weak_stream));
   EXPECT_EQ(string(kRequeued), producer->ProduceBuffer()->GetRemainingData());
 }
 
 }  // namespace
 
 }  // namespace net