Move RTCPHelp::RTCPReportBlockInformation into RTCPReceiver

webrtc/modules/rtp_rtcp/BUILD.gn

 # Copyright (c) 2014 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.
 
 import("../../build/webrtc.gni")
 
@@ skipping 80 matching lines @@
     "source/rtcp_packet/tmmbn.cc",
     "source/rtcp_packet/tmmbn.h",
     "source/rtcp_packet/tmmbr.cc",
     "source/rtcp_packet/tmmbr.h",
     "source/rtcp_packet/transport_feedback.cc",
     "source/rtcp_packet/transport_feedback.h",
     "source/rtcp_packet/voip_metric.cc",
     "source/rtcp_packet/voip_metric.h",
     "source/rtcp_receiver.cc",
     "source/rtcp_receiver.h",
-    "source/rtcp_receiver_help.cc",
-    "source/rtcp_receiver_help.h",
     "source/rtcp_sender.cc",
     "source/rtcp_sender.h",
     "source/rtcp_utility.cc",
     "source/rtcp_utility.h",
     "source/rtp_format.cc",
     "source/rtp_format.h",
     "source/rtp_format_h264.cc",
     "source/rtp_format_h264.h",
     "source/rtp_format_video_generic.cc",
     "source/rtp_format_video_generic.h",
@@ skipping 84 matching lines @@
       "test/testFec/test_packet_masks_metrics.cc",
     ]
 
     deps = [
       ":rtp_rtcp",
       "//testing/gtest",
       "//webrtc/test:test_support_main",
     ]
   }  # test_packet_masks_metrics
 }