Cleanup: Remove references to and unneeded includes of "base/scoped_ptr.h".

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 <stddef.h>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "net/quic/quic_packet_writer.h"
 
 namespace net {
 
 // 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; mix in mocks in unit tests.
 class QuicPacketWriterWrapper : public QuicPacketWriter {
  public:
   QuicPacketWriterWrapper();
   explicit QuicPacketWriterWrapper(QuicPacketWriter* writer);
   ~QuicPacketWriterWrapper() override;
 
   // Default implementation of the QuicPacketWriter interface. Passes everything
   // to |writer_|.
   WriteResult WritePacket(const char* buffer,
                           size_t buf_len,
                           const IPAddress& self_address,
                           const IPEndPoint& peer_address,
                           PerPacketOptions* options) override;
   bool IsWriteBlockedDataBuffered() const override;
   bool IsWriteBlocked() const override;
   void SetWritable() override;
   QuicByteCount GetMaxPacketSize(const IPEndPoint& peer_address) const override;
 
   // Takes ownership of |writer|.
   void set_writer(QuicPacketWriter* writer);
 
  private:
-  scoped_ptr<QuicPacketWriter> writer_;
+  std::unique_ptr<QuicPacketWriter> writer_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketWriterWrapper);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_PACKET_WRITER_WRAPPER_H_