PacketBuffer now can save how many times a packet has been nacked.

webrtc/modules/video_coding/frame_object.cc

Index: webrtc/modules/video_coding/frame_object.cc
diff --git a/webrtc/modules/video_coding/frame_object.cc b/webrtc/modules/video_coding/frame_object.cc
index 1634f89d76c39f296558e250e41f52663625f7d1..4eaa4d8a9a4966c7bfe4ffe872b7d14645dfd531 100644
--- a/webrtc/modules/video_coding/frame_object.cc
+++ b/webrtc/modules/video_coding/frame_object.cc
@@ -23,10 +23,14 @@ FrameObject::FrameObject()
 
 RtpFrameObject::RtpFrameObject(PacketBuffer* packet_buffer,
                                uint16_t first_seq_num,
-                               uint16_t last_seq_num)
+                               uint16_t last_seq_num,
+                               size_t combined_size,
+                               int8_t max_nack_count)
     : packet_buffer_(packet_buffer),
       first_seq_num_(first_seq_num),
-      last_seq_num_(last_seq_num) {
+      last_seq_num_(last_seq_num),
+      max_nack_count_(max_nack_count) {
+  size = combined_size;
   VCMPacket* packet = packet_buffer_->GetPacket(first_seq_num);
   if (packet) {
     frame_type_ = packet->frameType;
@@ -46,6 +50,10 @@ uint16_t RtpFrameObject::last_seq_num() const {
   return last_seq_num_;
 }
 
+int8_t RtpFrameObject::max_nack_count() const {
+  return max_nack_count_;
+}
+
 FrameType RtpFrameObject::frame_type() const {
   return frame_type_;
 }