Standardize usage of virtual/override/final in net/

net/http/http_stream_parser.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/http/http_stream_parser.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/profiler/scoped_profile.h"
@@ skipping 144 matching lines @@
 
   // Returns the logical size of the buffer (i.e the number of bytes of data
   // in the buffer).
   int size() const { return size_; }
 
   // Returns the capacity of the buffer. The capacity is the size used when
   // the object is created.
   int capacity() const { return capacity_; };
 
  private:
-  virtual ~SeekableIOBuffer() {
+  ~SeekableIOBuffer() override {
     // data_ will be deleted in IOBuffer::~IOBuffer().
     data_ = real_data_;
   }
 
   char* real_data_;
   const int capacity_;
   int size_;
   int used_;
 };
 
@@ skipping 884 matching lines @@
       request_body->IsInMemory() &&
       request_body->size() > 0) {
     size_t merged_size = request_headers.size() + request_body->size();
     if (merged_size <= kMaxMergedHeaderAndBodySize)
       return true;
   }
   return false;
 }
 
 }  // namespace net