API changes to Write path Session on down for FEC protection.

net/quic/quic_session_test.cc

Index: net/quic/quic_session_test.cc
diff --git a/net/quic/quic_session_test.cc b/net/quic/quic_session_test.cc
index 0c83eceda758b95ba535b5ba1c9b9b8852e28755..45987e6b9401b422f143d025df0c5f6234121cf9 100644
--- a/net/quic/quic_session_test.cc
+++ b/net/quic/quic_session_test.cc
@@ -150,12 +150,13 @@ class TestSession : public QuicSession {
       const IOVector& data,
       QuicStreamOffset offset,
       bool fin,
+      FecProtection fec_protection,
       QuicAckNotifier::DelegateInterface* ack_notifier_delegate) OVERRIDE {
     // Always consumes everything.
     if (writev_consumes_all_data_) {
       return QuicConsumedData(data.TotalBufferSize(), fin);
     } else {
-      return QuicSession::WritevData(id, data, offset, fin,
+      return QuicSession::WritevData(id, data, offset, fin, fec_protection,
                                      ack_notifier_delegate);
     }
   }
@@ -165,7 +166,7 @@ class TestSession : public QuicSession {
   }
 
   QuicConsumedData SendStreamData(QuicStreamId id) {
-    return WritevData(id, IOVector(), 0, true, NULL);
+    return WritevData(id, IOVector(), 0, true, MAY_FEC_PROTECT, NULL);
   }
 
   using QuicSession::PostProcessAfterData;