Revert of Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/

webrtc/modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TRANSPORT_FEEDBACK_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TRANSPORT_FEEDBACK_H_
 
 #include <deque>
-#include <memory>
 #include <vector>
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
 
 namespace webrtc {
 namespace rtcp {
 
 class PacketStatusChunk;
@@ skipping 26 matching lines @@
   // Convenience method for getting all deltas as microseconds. The first delta
   // is relative the base time.
   std::vector<int64_t> GetReceiveDeltasUs() const;
 
   uint32_t GetPacketSenderSsrc() const;
   uint32_t GetMediaSourceSsrc() const;
   static const int kDeltaScaleFactor = 250;  // Convert to multiples of 0.25ms.
   static const uint8_t kFeedbackMessageType = 15;  // TODO(sprang): IANA reg?
   static const uint8_t kPayloadType = 205;         // RTPFB, see RFC4585.
 
-  static std::unique_ptr<TransportFeedback> ParseFrom(const uint8_t* buffer,
+  static rtc::scoped_ptr<TransportFeedback> ParseFrom(const uint8_t* buffer,
                                                       size_t length);
 
  protected:
   bool Create(uint8_t* packet,
               size_t* position,
               size_t max_length,
               PacketReadyCallback* callback) const override;
 
   size_t BlockLength() const override;
 
@@ skipping 24 matching lines @@
   uint16_t first_symbol_cardinality_;
   bool vec_needs_two_bit_symbols_;
   uint32_t size_bytes_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(TransportFeedback);
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TRANSPORT_FEEDBACK_H_