Move quic_flags.h from net/quic/core to net/quic/platform and split into api and impl.

net/quic/core/quic_session_test.cc

 // 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.
 
 #include "net/quic/core/quic_session.h"
 
 #include <cstdint>
 #include <set>
 #include <utility>
 
 #include "base/rand_util.h"
 #include "build/build_config.h"
 #include "net/quic/core/crypto/crypto_protocol.h"
 #include "net/quic/core/crypto/null_encrypter.h"
 #include "net/quic/core/quic_crypto_stream.h"
-#include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_packets.h"
 #include "net/quic/core/quic_stream.h"
 #include "net/quic/core/quic_utils.h"
+#include "net/quic/platform/api/quic_flags.h"
 #include "net/quic/platform/api/quic_map_util.h"
 #include "net/quic/platform/api/quic_ptr_util.h"
 #include "net/quic/platform/api/quic_str_cat.h"
 #include "net/quic/platform/api/quic_string_piece.h"
 #include "net/quic/test_tools/quic_config_peer.h"
 #include "net/quic/test_tools/quic_connection_peer.h"
 #include "net/quic/test_tools/quic_flow_controller_peer.h"
 #include "net/quic/test_tools/quic_session_peer.h"
 #include "net/quic/test_tools/quic_spdy_session_peer.h"
 #include "net/quic/test_tools/quic_spdy_stream_peer.h"
@@ skipping 1284 matching lines @@
   if (version() != QUIC_VERSION_36) {
     EXPECT_FALSE(session_.force_hol_blocking());
   } else {
     EXPECT_TRUE(session_.force_hol_blocking());
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net