[ON HOLD] Implement pull-based design for content decoding

net/filter/brotli_stream_source.h

+// Copyright 2016 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_FILTER_BROTLI_STREAM_SOURCE_H_
+#define NET_FILTER_BROTLI_STREAM_SOURCE_H_
+
+#include <memory>
+
+#include "net/base/net_export.h"
+#include "net/filter/filter_stream_source.h"
+#include "net/filter/stream_source.h"
+
+namespace net {
+
+NET_EXPORT_PRIVATE std::unique_ptr<FilterStreamSource> CreateBrotliStreamSource(
+    std::unique_ptr<StreamSource> previous);
+
+}  // namespace net
+
+#endif  // NET_FILTER_BROTLI_STREAM_SOURCE_H_