Revert of RTCInboundRTPStreamStats added.

webrtc/api/rtcstatscollector.h

 /*
  *  Copyright 2016 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 83 matching lines @@
   // Produces |RTCDataChannelStats|.
   void ProduceDataChannelStats_s(
       int64_t timestamp_us, RTCStatsReport* report) const;
   // Produces |RTCIceCandidatePairStats| and |RTCIceCandidateStats|.
   void ProduceIceCandidateAndPairStats_s(
       int64_t timestamp_us, const SessionStats& session_stats,
       RTCStatsReport* report) const;
   // Produces |RTCPeerConnectionStats|.
   void ProducePeerConnectionStats_s(
       int64_t timestamp_us, RTCStatsReport* report) const;
-  // Produces |RTCInboundRTPStreamStats| and |RTCOutboundRTPStreamStats|.
+  // Produces |RTCOutboundRTPStreamStats|. TODO(hbos): Produce both types of
+  // |RTCRTPStreamStats|, the other one being |RTCInboundRTPStreamStats|.
+  // crbug.com/657855
   void ProduceRTPStreamStats_s(
       int64_t timestamp_us, const SessionStats& session_stats,
       RTCStatsReport* report) const;
   // Produces |RTCTransportStats|.
   void ProduceTransportStats_s(
       int64_t timestamp_us, const SessionStats& session_stats,
       const std::map<std::string, CertificateStatsPair>& transport_cert_stats,
       RTCStatsReport* report) const;
 
   // Helper function to stats-producing functions.
@@ skipping 21 matching lines @@
 };
 
 const char* CandidateTypeToRTCIceCandidateTypeForTesting(
     const std::string& type);
 const char* DataStateToRTCDataChannelStateForTesting(
     DataChannelInterface::DataState state);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_RTCSTATSCOLLECTOR_H_