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

net/tools/quic/quic_in_memory_cache.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.
 
 #ifndef NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 #define NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 
 #include <map>
 #include <string>
 #include <unordered_map>
 
-#include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string_piece.h"
 #include "net/http/http_response_headers.h"
 #include "net/quic/spdy_utils.h"
 #include "net/spdy/spdy_framer.h"
 #include "url/gurl.h"
 
 using base::StringPiece;
@@ skipping 210 matching lines @@
 
   // A map from request URL to associated server push responses (if any).
   std::multimap<string, ServerPushInfo> server_push_resources_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicInMemoryCache);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_