Standardize usage of virtual/override/final in net/

net/websockets/websocket_inflater.cc

 // Copyright 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/websockets/websocket_inflater.h"
 
 #include <algorithm>
 #include <deque>
 #include <vector>
 
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 #include "third_party/zlib/zlib.h"
 
 namespace net {
 
 namespace {
 
 class ShrinkableIOBufferWithSize : public IOBufferWithSize {
  public:
   explicit ShrinkableIOBufferWithSize(int size)
       : IOBufferWithSize(size) {}
 
   void Shrink(int new_size) {
     DCHECK_LE(new_size, size_);
     size_ = new_size;
   }
 
  private:
-  virtual ~ShrinkableIOBufferWithSize() {}
+  ~ShrinkableIOBufferWithSize() override {}
 };
 
 }  // namespace
 
 WebSocketInflater::WebSocketInflater()
     : input_queue_(kDefaultInputIOBufferCapacity),
       output_buffer_(kDefaultBufferCapacity) {}
 
 WebSocketInflater::WebSocketInflater(size_t input_queue_capacity,
                                      size_t output_buffer_capacity)
@@ skipping 233 matching lines @@
   size_t num_bytes_to_copy = std::min(size, capacity_ - tail_of_last_buffer_);
   if (!num_bytes_to_copy)
     return 0;
   IOBufferWithSize* buffer = buffers_.back().get();
   memcpy(&buffer->data()[tail_of_last_buffer_], data, num_bytes_to_copy);
   tail_of_last_buffer_ += num_bytes_to_copy;
   return num_bytes_to_copy;
 }
 
 }  // namespace net