Test RtcpParser rewritten to use rtcp packet classes

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
@@ skipping 61 matching lines @@
                const PacketOptions& options) override {
     RTPHeader header;
     std::unique_ptr<RtpHeaderParser> parser(RtpHeaderParser::Create());
     EXPECT_TRUE(parser->Parse(static_cast<const uint8_t*>(data), len, &header));
     ++rtp_packets_sent_;
     last_rtp_header_ = header;
     return true;
   }
   bool SendRtcp(const uint8_t* data, size_t len) override {
     test::RtcpPacketParser parser;
-    parser.Parse(static_cast<const uint8_t*>(data), len);
-    last_nack_list_ = parser.nack_item()->last_nack_list();
+    parser.Parse(data, len);
+    last_nack_list_ = parser.nack()->packet_ids();
 
     if (clock_) {
       clock_->AdvanceTimeMilliseconds(delay_ms_);
     }
-    EXPECT_TRUE(receiver_ != NULL);
-    EXPECT_EQ(0, receiver_->IncomingRtcpPacket(
-        static_cast<const uint8_t*>(data), len));
+    EXPECT_TRUE(receiver_);
+    EXPECT_EQ(0, receiver_->IncomingRtcpPacket(data, len));
     return true;
   }
   ModuleRtpRtcpImpl* receiver_;
   SimulatedClock* clock_;
   int64_t delay_ms_;
   int rtp_packets_sent_;
   RTPHeader last_rtp_header_;
   std::vector<uint16_t> last_nack_list_;
 };
 
@@ skipping 449 matching lines @@
   EXPECT_EQ(6U, receiver_.RtcpSent().unique_nack_requests);
   EXPECT_THAT(receiver_.LastNackListSent(), ElementsAre(11, 18, 20, 21));
 
   // Send module receives the request.
   EXPECT_EQ(2U, sender_.RtcpReceived().nack_packets);
   EXPECT_EQ(8U, sender_.RtcpReceived().nack_requests);
   EXPECT_EQ(6U, sender_.RtcpReceived().unique_nack_requests);
   EXPECT_EQ(75, sender_.RtcpReceived().UniqueNackRequestsInPercent());
 }
 }  // namespace webrtc