diff --git a/common/platform/api/quiche_unordered_containers.h b/common/platform/api/quiche_unordered_containers.h
new file mode 100644
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+++ b/common/platform/api/quiche_unordered_containers.h
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+// Copyright (c) 2019 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 QUICHE_COMMON_PLATFORM_API_QUICHE_UNORDERED_CONTAINERS_H_
+#define QUICHE_COMMON_PLATFORM_API_QUICHE_UNORDERED_CONTAINERS_H_
+
+#include "net/quiche/common/platform/impl/quiche_unordered_containers_impl.h"
+
+namespace quiche {
+
+// The default hasher used by hash tables.
+template <typename Key>
+using QuicheDefaultHasher = QuicheDefaultHasherImpl<Key>;
+
+// A general-purpose unordered map.
+template <typename Key,
+          typename Value,
+          typename Hash = QuicheDefaultHasher<Key>>
+using QuicheUnorderedMap = QuicheUnorderedMapImpl<Key, Value, Hash>;
+
+}  // namespace quiche
+
+#endif  // QUICHE_COMMON_PLATFORM_API_QUICHE_UNORDERED_CONTAINERS_H_