Add net::BrotliSourceStream

net/filter/brotli_source_stream.h

Index: net/filter/brotli_source_stream.h
diff --git a/net/filter/brotli_source_stream.h b/net/filter/brotli_source_stream.h
new file mode 100644
index 0000000000000000000000000000000000000000..d09c3e148d25e2e9ddb077fc9b58e608e5854942
--- /dev/null
+++ b/net/filter/brotli_source_stream.h
@@ -0,0 +1,21 @@
+// 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_SOURCE_STREAM_H_
+#define NET_FILTER_BROTLI_SOURCE_STREAM_H_
+
+#include <memory>
+
+#include "net/base/net_export.h"
+#include "net/filter/filter_source_stream.h"
+#include "net/filter/source_stream.h"
+
+namespace net {
+
+NET_EXPORT_PRIVATE std::unique_ptr<FilterSourceStream> CreateBrotliSourceStream(
+    std::unique_ptr<SourceStream> upstream);
+
+}  // namespace net
+
+#endif  // NET_FILTER_BROTLI_SOURCE_STREAM_H_