Send RTCP packets via RtcpPacket callback

webrtc/modules/rtp_rtcp/source/rtcp_packet.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet.h b/webrtc/modules/rtp_rtcp/source/rtcp_packet.h
index 8e7e983f9a208b2381d2e284fd97702c753c8dc7..39c27289de3f68971b89e919e98d63e579df77f2 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet.h
@@ -116,14 +116,13 @@ class RtcpPacket {
   size_t HeaderLength() const;
 
   static const size_t kHeaderLength = 4;
+  std::vector<RtcpPacket*> appended_packets_;
 
  private:
   bool CreateAndAddAppended(uint8_t* packet,
                             size_t* index,
                             size_t max_length,
                             PacketReadyCallback* callback) const;
-
-  std::vector<RtcpPacket*> appended_packets_;
 };
 
 // TODO(sprang): Move RtcpPacket subclasses out to separate files.