Add include to reflect what is already used.

net/quic/quic_headers_stream_test.cc

 // Copyright 2013 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.
 
 #include "net/quic/quic_headers_stream.h"
 
 #include "net/quic/quic_utils.h"
 #include "net/quic/spdy_utils.h"
 #include "net/quic/test_tools/quic_connection_peer.h"
 #include "net/quic/test_tools/quic_spdy_session_peer.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "net/quic/test_tools/reliable_quic_stream_peer.h"
+#include "net/spdy/spdy_alt_svc_wire_format.h"
 #include "net/spdy/spdy_protocol.h"
 #include "net/spdy/spdy_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::StringPiece;
 using std::ostream;
 using std::string;
 using std::vector;
 using testing::ElementsAre;
 using testing::InSequence;
@@ skipping 482 matching lines @@
 }
 
 TEST_P(QuicHeadersStreamTest, NoConnectionLevelFlowControl) {
   EXPECT_FALSE(ReliableQuicStreamPeer::StreamContributesToConnectionFlowControl(
       headers_stream_));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net