Standardize usage of virtual/override/final specifiers.

net/tools/quic/quic_packet_writer_wrapper.h

 // 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.
 
 #ifndef NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_
 #define NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "net/quic/quic_packet_writer.h"
 
 namespace net {
 
 namespace tools {
 
 // Wraps a writer object to allow dynamically extending functionality. Use
 // cases: replace writer while dispatcher and connections hold on to the
 // wrapper; mix in monitoring in internal server; mix in mocks in unit tests.
 class QuicPacketWriterWrapper : public net::QuicPacketWriter {
  public:
   QuicPacketWriterWrapper();
   explicit QuicPacketWriterWrapper(QuicPacketWriter* writer);
-  virtual ~QuicPacketWriterWrapper();
+  ~QuicPacketWriterWrapper() override;
 
   // Default implementation of the QuicPacketWriter interface. Passes everything
   // to |writer_|.
-  virtual WriteResult WritePacket(
-      const char* buffer,
-      size_t buf_len,
-      const IPAddressNumber& self_address,
-      const IPEndPoint& peer_address) override;
-  virtual bool IsWriteBlockedDataBuffered() const override;
-  virtual bool IsWriteBlocked() const override;
-  virtual void SetWritable() override;
+  WriteResult WritePacket(const char* buffer,
+                          size_t buf_len,
+                          const IPAddressNumber& self_address,
+                          const IPEndPoint& peer_address) override;
+  bool IsWriteBlockedDataBuffered() const override;
+  bool IsWriteBlocked() const override;
+  void SetWritable() override;
 
   // Takes ownership of |writer|.
   void set_writer(QuicPacketWriter* writer);
 
   // Releases ownership of |writer_|.
   QuicPacketWriter* release_writer();
 
  private:
   scoped_ptr<QuicPacketWriter> writer_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketWriterWrapper);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_