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

net/tools/quic/quic_client_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/tools/quic/quic_client_session.h"
 
 #include <vector>
 
 #include "net/quic/core/crypto/aes_128_gcm_12_encrypter.h"
-#include "net/quic/core/quic_flags.h"
+#include "net/quic/platform/api/quic_flags.h"
 #include "net/quic/core/spdy_utils.h"
 #include "net/quic/platform/api/quic_ptr_util.h"
 #include "net/quic/platform/api/quic_socket_address.h"
 #include "net/quic/platform/api/quic_str_cat.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
 #include "net/quic/test_tools/mock_quic_spdy_client_stream.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_packet_creator_peer.h"
 #include "net/quic/test_tools/quic_spdy_session_peer.h"
@@ skipping 463 matching lines @@
   QuicClientPromisedInfo* promised =
       session_->GetPromisedById(promised_stream_id_);
   EXPECT_NE(promised, nullptr);
   EXPECT_NE(session_->GetPromisedByUrl(promise_url_), nullptr);
   EXPECT_EQ(session_->GetPromisedStream(promised_stream_id_), nullptr);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net