Remove FEC related connection options and update FEC related comment in code base.

net/quic/reliable_quic_stream.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The base class for client/server reliable streams.
 
 // It does not contain the entire interface needed by an application to interact
 // with a QUIC stream.  Some parts of the interface must be obtained by
 // accessing the owning session object.  A subclass of ReliableQuicStream
 // connects the object and the application that generates and consumes the data
@@ skipping 32 matching lines @@
 }  // namespace test
 
 class QuicSession;
 
 class NET_EXPORT_PRIVATE ReliableQuicStream {
  public:
   ReliableQuicStream(QuicStreamId id, QuicSession* session);
 
   virtual ~ReliableQuicStream();
 
-  // Sets |fec_policy_| parameter from |session_|'s config.
+  // Not in use currently.
   void SetFromConfig();
 
   // Called by the session when a (potentially duplicate) stream frame has been
   // received for this stream.
   virtual void OnStreamFrame(const QuicStreamFrame& frame);
 
   // Called by the session when the connection becomes writeable to allow the
   // stream to write any pending data.
   virtual void OnCanWrite();
 
@@ skipping 230 matching lines @@
   // connection level flow control limits (but are stream level flow control
   // limited).
   bool stream_contributes_to_connection_flow_control_;
 
   DISALLOW_COPY_AND_ASSIGN(ReliableQuicStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_RELIABLE_QUIC_STREAM_H_