Remove FEC from send path.

net/quic/quic_session.h

Index: net/quic/quic_session.h
diff --git a/net/quic/quic_session.h b/net/quic/quic_session.h
index 601edee366fa5e7b25907d8e765d1a3cf0024b3d..b295a7cc3cdc515d2bee3ddd047ca30f41cc65ff 100644
--- a/net/quic/quic_session.h
+++ b/net/quic/quic_session.h
@@ -94,10 +94,7 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
   // Returns a pair with the number of bytes consumed from data, and a boolean
   // indicating if the fin bit was consumed.  This does not indicate the data
   // has been sent on the wire: it may have been turned into a packet and queued
-  // if the socket was unexpectedly blocked.  |fec_protection| indicates if
-  // data is to be FEC protected. Note that data that is sent immediately
-  // following MUST_FEC_PROTECT data may get protected by falling within the
-  // same FEC group.
+  // if the socket was unexpectedly blocked.
   // If provided, |ack_notifier_delegate| will be registered to be notified when
   // we have seen ACKs for all packets resulting from this call.
   virtual QuicConsumedData WritevData(
@@ -105,7 +102,6 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
       QuicIOVector iov,
       QuicStreamOffset offset,
       bool fin,
-      FecProtection fec_protection,
       QuicAckListenerInterface* ack_notifier_delegate);
 
   // Called by streams when they want to close the stream in both directions.