rtcp::Pli moved into own file and got a Parse function

webrtc/modules/modules.gyp

 # Copyright (c) 2011 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.
 
 {
   'includes': [
@@ skipping 289 matching lines @@
                 'rtp_rtcp/source/nack_rtx_unittest.cc',
                 'rtp_rtcp/source/packet_loss_stats_unittest.cc',
                 'rtp_rtcp/source/producer_fec_unittest.cc',
                 'rtp_rtcp/source/receive_statistics_unittest.cc',
                 'rtp_rtcp/source/remote_ntp_time_estimator_unittest.cc',
                 'rtp_rtcp/source/rtcp_format_remb_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet/app_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet/bye_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet/extended_jitter_report_unittest.cc',
+                'rtp_rtcp/source/rtcp_packet/pli_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet/report_block_unittest.cc',
                 'rtp_rtcp/source/rtcp_packet/transport_feedback_unittest.cc',
                 'rtp_rtcp/source/rtcp_receiver_unittest.cc',
                 'rtp_rtcp/source/rtcp_sender_unittest.cc',
                 'rtp_rtcp/source/rtcp_utility_unittest.cc',
                 'rtp_rtcp/source/rtp_fec_unittest.cc',
                 'rtp_rtcp/source/rtp_format_h264_unittest.cc',
                 'rtp_rtcp/source/rtp_format_vp8_test_helper.cc',
                 'rtp_rtcp/source/rtp_format_vp8_test_helper.h',
                 'rtp_rtcp/source/rtp_format_vp8_unittest.cc',
@@ skipping 238 matching lines @@
               'sources': [
                 'video_render_tests.isolate',
               ],
             },
           ],
         }],
       ],
     }], # include_tests
   ], # conditions
 }