net : Declaring the weak_ptr_factory in proper order.

net/quic/quic_server_packet_writer.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_QUIC_QUIC_SERVER_PACKET_WRITER_H_
 #define NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/ip_endpoint.h"
@@ skipping 34 matching lines @@
   virtual bool IsWriteBlocked() const OVERRIDE;
   virtual void SetWritable() OVERRIDE;
 
  protected:
   // Do not call WritePacket on its own -- use WritePacketWithCallback
   virtual WriteResult WritePacket(const char* buffer,
                                   size_t buf_len,
                                   const IPAddressNumber& self_address,
                                   const IPEndPoint& peer_address) OVERRIDE;
  private:
-  base::WeakPtrFactory<QuicServerPacketWriter> weak_factory_;
   UDPServerSocket* socket_;
 
   // To be notified after every successful asynchronous write.
   QuicBlockedWriterInterface* blocked_writer_;
 
   // To call once the write completes.
   WriteCallback callback_;
 
   // Whether a write is currently in flight.
   bool write_blocked_;
 
+  base::WeakPtrFactory<QuicServerPacketWriter> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicServerPacketWriter);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SERVER_PACKET_WRITER_H_