Convert //net and //chromecast to std::unordered_*

net/tools/quic/quic_dispatcher.h

 // 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.
 //
 // A server side dispatcher which dispatches a given client's data to their
 // stream.
 
 #ifndef NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 #define NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 
 #include <unordered_map>
 #include <vector>
 
-#include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/linked_hash_map.h"
 #include "net/quic/crypto/quic_compressed_certs_cache.h"
 #include "net/quic/quic_blocked_writer_interface.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_protocol.h"
 #include "net/tools/quic/quic_process_packet_interface.h"
 #include "net/tools/quic/quic_server_session_base.h"
@@ skipping 240 matching lines @@
   // The last error set by SetLastError(), which is called by
   // framer_visitor_->OnError().
   QuicErrorCode last_error_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicDispatcher);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_DISPATCHER_H_