Cleaned out candidateSet member from TMMBRHelp class

webrtc/modules/rtp_rtcp/source/tmmbr_help.h

Index: webrtc/modules/rtp_rtcp/source/tmmbr_help.h
diff --git a/webrtc/modules/rtp_rtcp/source/tmmbr_help.h b/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
index ecae946f97d31a9bd3dabd83f40e544f7b99d60a..e08856e40c76a15e4e525447ec334575cd7380e7 100644
--- a/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
+++ b/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
@@ -41,21 +41,14 @@ class TMMBRSet : public std::vector<rtcp::TmmbItem> {
 
 class TMMBRHelp {
  public:
-  TMMBRSet* CandidateSet();
-
-  TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize);
-  std::vector<rtcp::TmmbItem> FindTMMBRBoundingSet();
+  static std::vector<rtcp::TmmbItem> FindBoundingSet(
+      std::vector<rtcp::TmmbItem> candidates);
 
   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;
+  static uint64_t CalcMinBitrateBps(
+      const std::vector<rtcp::TmmbItem>& candidates);
 };
 }  // namespace webrtc