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

net/quic/quic_headers_stream_test.cc

Index: net/quic/quic_headers_stream_test.cc
diff --git a/net/quic/quic_headers_stream_test.cc b/net/quic/quic_headers_stream_test.cc
index 8ce730a6d033f64bea7d55d17d3320769c993c44..0aa71088102a9770021ec8d29dd9cc7b607559a1 100644
--- a/net/quic/quic_headers_stream_test.cc
+++ b/net/quic/quic_headers_stream_test.cc
@@ -126,7 +126,7 @@ class QuicHeadersStreamTest : public ::testing::TestWithParam<bool> {
                                 QuicPriority priority,
                                 SpdyFrameType type) {
     // Write the headers and capture the outgoing data
-    EXPECT_CALL(session_, WritevData(kHeadersStreamId, _, _, false, NULL))
+    EXPECT_CALL(session_, WritevData(kHeadersStreamId, _, _, false, _, NULL))
         .WillOnce(WithArgs<1>(Invoke(this, &QuicHeadersStreamTest::SaveIov)));
     headers_stream_->WriteHeaders(stream_id, headers_, fin, NULL);