[Draft] RtpPacket sketched.

webrtc/modules/rtp_rtcp/include/rtp_rtcp.h

Index: webrtc/modules/rtp_rtcp/include/rtp_rtcp.h
diff --git a/webrtc/modules/rtp_rtcp/include/rtp_rtcp.h b/webrtc/modules/rtp_rtcp/include/rtp_rtcp.h
index 50fb35e0e4fb17102cc0b639e805ca2c6d9f03a9..3bf45287bea5627e1502a56e2b7af89a7448ceb4 100644
--- a/webrtc/modules/rtp_rtcp/include/rtp_rtcp.h
+++ b/webrtc/modules/rtp_rtcp/include/rtp_rtcp.h
@@ -16,6 +16,7 @@
 #include <utility>
 #include <vector>
 
+#include "webrtc/call.h"
 #include "webrtc/modules/include/module.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
@@ -188,6 +189,11 @@ class RtpRtcp : public Module {
 
     virtual int32_t DeregisterSendRtpHeaderExtension(RTPExtensionType type) = 0;
 
+    // TODO(danilchap): Make pure virtual in 3 months.
+    virtual bool RegisterRtpHeaderExtension(const std::string& type,
+                                            MediaType media,
+                                            uint8_t id);
+
     /*
     *   get start timestamp
     */
@@ -362,12 +368,11 @@ class RtpRtcp : public Module {
     *
     *   return -1 on failure else 0
     */
-    virtual int32_t RemoteNTP(
-        uint32_t *ReceivedNTPsecs,
-        uint32_t *ReceivedNTPfrac,
-        uint32_t *RTCPArrivalTimeSecs,
-        uint32_t *RTCPArrivalTimeFrac,
-        uint32_t *rtcp_timestamp) const  = 0;
+    virtual int32_t RemoteNTP(uint32_t* ReceivedNTPsecs,
+                              uint32_t* ReceivedNTPfrac,
+                              uint32_t* RTCPArrivalTimeSecs,
+                              uint32_t* RTCPArrivalTimeFrac,
+                              uint32_t* rtcp_timestamp) const = 0;
 
     /*
     *   AddMixedCNAME
@@ -548,14 +553,10 @@ class RtpRtcp : public Module {
     */
     virtual void SetStorePacketsStatus(bool enable, uint16_t numberToStore) = 0;
 
-    // Returns true if the module is configured to store packets.
-    virtual bool StorePackets() const = 0;
-
     // Called on receipt of RTCP report block from remote side.
     virtual void RegisterRtcpStatisticsCallback(
         RtcpStatisticsCallback* callback) = 0;
-    virtual RtcpStatisticsCallback*
-        GetRtcpStatisticsCallback() = 0;
+    virtual RtcpStatisticsCallback* GetRtcpStatisticsCallback() = 0;
     // BWE feedback packets.
     virtual bool SendFeedbackPacket(const rtcp::TransportFeedback& packet) = 0;