Cleaned out boundingSet member from TMMBRHelp class

webrtc/modules/rtp_rtcp/source/tmmbr_help.h

 /*
  *  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.
  */
 
@@ skipping 26 matching lines @@
 
   // Remove one entry from table, and move all others down.
   void RemoveEntry(uint32_t sourceIdx);
 };
 
 class TMMBRHelp {
  public:
   TMMBRSet* CandidateSet();
 
   TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize);
-  int32_t FindTMMBRBoundingSet(TMMBRSet*& boundingSet);
+  std::vector<rtcp::TmmbItem> FindTMMBRBoundingSet();
 
-  bool IsOwner(const uint32_t ssrc, const uint32_t length) const;
+  static bool IsOwner(const std::vector<rtcp::TmmbItem>& bounding,
+                      uint32_t ssrc);
 
   bool CalcMinBitRate(uint32_t* minBitrateKbit) const;
 
   static void FindBoundingSet(std::vector<rtcp::TmmbItem> candidates,
                               std::vector<rtcp::TmmbItem>* bounding_set);
 
  private:
   TMMBRSet _candidateSet;
-  TMMBRSet _boundingSet;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_