Add flag enabling more packets to be retransmittable.

webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc
index 696dc2bd353b68d297902ef7867782eb2c89ba23..ffb5f77494307ad5c7dbbd4808d2dd33f473ce32 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_video_generic.cc
@@ -108,15 +108,6 @@ bool RtpPacketizerGeneric::NextPacket(RtpPacketToSend* packet) {
   return true;
 }
 
-ProtectionType RtpPacketizerGeneric::GetProtectionType() {
-  return kProtectedPacket;
-}
-
-StorageType RtpPacketizerGeneric::GetStorageType(
-    uint32_t retransmission_settings) {
-  return kAllowRetransmission;
-}
-
 std::string RtpPacketizerGeneric::ToString() {
   return "RtpPacketizerGeneric";
 }