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

webrtc/modules/rtp_rtcp/source/producer_fec_unittest.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
 #include <list>
-#include <memory>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
 #include "webrtc/modules/rtp_rtcp/source/fec_test_helper.h"
 #include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
 #include "webrtc/modules/rtp_rtcp/source/producer_fec.h"
 
 namespace webrtc {
 
@@ skipping 159 matching lines @@
   while (!rtp_packets.empty()) {
     delete rtp_packets.front();
     rtp_packets.pop_front();
   }
   delete packets.front();
 }
 
 TEST_F(ProducerFecTest, BuildRedPacket) {
   generator_->NewFrame(1);
   test::RawRtpPacket* packet = generator_->NextPacket(0, 10);
-  std::unique_ptr<RedPacket> red_packet(producer_->BuildRedPacket(
+  rtc::scoped_ptr<RedPacket> red_packet(producer_->BuildRedPacket(
       packet->data, packet->length - kRtpHeaderSize, kRtpHeaderSize,
       kRedPayloadType));
   EXPECT_EQ(packet->length + 1, red_packet->length());
   VerifyHeader(packet->header.header.sequenceNumber,
                packet->header.header.timestamp,
                kRedPayloadType,
                packet->header.header.payloadType,
                red_packet.get(),
                true);  // Marker bit set.
   for (int i = 0; i < 10; ++i)
     EXPECT_EQ(i, red_packet->data()[kRtpHeaderSize + 1 + i]);
   delete packet;
 }
 
 }  // namespace webrtc