[rtp_rtcp] Append functionality moved from base RtcpPacket class to CompoundPacket

webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h b/webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
index f2f49a8ffbff21df0843c845e39664ad4166d07c..4fb92facc730fc66124314d767dec5395ff60631 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
@@ -12,6 +12,8 @@
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_COMPOUND_PACKET_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_COMPOUND_PACKET_H_
 
+#include <vector>
+
 #include "webrtc/base/basictypes.h"
 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h"
 
@@ -20,17 +22,21 @@ namespace rtcp {
 
 class CompoundPacket : public RtcpPacket {
  public:
-  CompoundPacket() : RtcpPacket() {}
+  CompoundPacket() {}
+  ~CompoundPacket() override {}
 
-  virtual ~CompoundPacket() {}
+  void Append(RtcpPacket* packet);
 
- protected:
+  // Size of this packet in bytes (i.e. total size of nested packets).
+  size_t BlockLength() const override;
+  // Returns true if all calls to Create succeeded.
   bool Create(uint8_t* packet,
               size_t* index,
               size_t max_length,
               RtcpPacket::PacketReadyCallback* callback) const override;
 
-  size_t BlockLength() const override;
+ protected:
+  std::vector<RtcpPacket*> appended_packets_;
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(CompoundPacket);