Set QuicPacketCreator's should_fec_protect_next_packet only within QuicPacketCreator. No functiona…

net/quic/quic_packet_creator.cc

Index: net/quic/quic_packet_creator.cc
diff --git a/net/quic/quic_packet_creator.cc b/net/quic/quic_packet_creator.cc
index 58aaa85223ec73ebba996344a4ad39579644b1ec..5151613fb13f57f1a0f866fa263ea31c95907b96 100644
--- a/net/quic/quic_packet_creator.cc
+++ b/net/quic/quic_packet_creator.cc
@@ -271,6 +271,12 @@ bool QuicPacketCreator::ConsumeData(QuicStreamId id,
     needs_padding_ = true;
   }
   DCHECK(success);
+  if (fec_protection == MUST_FEC_PROTECT &&
+      iov_offset + frame->stream_frame->frame_length == iov.total_length) {
+    // Turn off FEC protection when we're done writing protected data.
+    DVLOG(1) << "Turning FEC protection OFF";
+    should_fec_protect_next_packet_ = false;
+  }
   return true;
 }
 
@@ -459,7 +465,7 @@ void QuicPacketCreator::Flush() {
 void QuicPacketCreator::OnSerializedPacket(SerializedPacket* packet) {
   if (packet->packet == nullptr) {
     LOG(DFATAL) << "Failed to SerializePacket. fec_policy:" << fec_send_policy()
-                << " should_fec_protect_:" << should_fec_protect_next_packet();
+                << " should_fec_protect_:" << should_fec_protect_next_packet_;
     delegate_->CloseConnection(QUIC_FAILED_TO_SERIALIZE_PACKET, false);
     return;
   }