Do not use HTTP/2 without adequate security.

net/http/http_network_session.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/http/http_network_session.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_response_body_drainer.h"
 #include "net/http/http_stream_factory_impl.h"
 #include "net/http/url_security_manager.h"
 #include "net/proxy/proxy_service.h"
 #include "net/quic/crypto/quic_random.h"
 #include "net/quic/quic_clock.h"
 #include "net/quic/quic_crypto_client_stream_factory.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_stream_factory.h"
 #include "net/quic/quic_utils.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/client_socket_pool_manager_impl.h"
 #include "net/socket/next_proto.h"
+#include "net/socket/ssl_client_socket.h"
 #include "net/spdy/hpack_huffman_aggregator.h"
 #include "net/spdy/spdy_session_pool.h"
 
 namespace {
 
 net::ClientSocketPoolManager* CreateSocketPoolManager(
     net::HttpNetworkSession::SocketPoolType pool_type,
     const net::HttpNetworkSession::Params& params) {
   // TODO(yutak): Differentiate WebSocket pool manager and allow more
   // simultaneous connections for WebSockets.
@@ skipping 268 matching lines @@
     case WEBSOCKET_SOCKET_POOL:
       return websocket_socket_pool_manager_.get();
     default:
       NOTREACHED();
       break;
   }
   return NULL;
 }
 
 }  //  namespace net