Add flag enabling more packets to be retransmittable.

webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
index 092ac1cc4989137d520fa7938728819ee343630c..5aa7e27d2391e75ede72cba6c74bf318937121bc 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
@@ -389,15 +389,6 @@ void RtpPacketizerH264::NextFragmentPacket(RtpPacketToSend* rtp_packet) {
   packets_.pop();
 }
 
-ProtectionType RtpPacketizerH264::GetProtectionType() {
-  return kProtectedPacket;
-}
-
-StorageType RtpPacketizerH264::GetStorageType(
-    uint32_t retransmission_settings) {
-  return kAllowRetransmission;
-}
-
 std::string RtpPacketizerH264::ToString() {
   return "RtpPacketizerH264";
 }