Add brotli content-encoding filter.

net/filter/brotli_filter.h

+// Copyright 2015 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.
+
+// BrotliFilter applies Brotli content decoding to a data
+// stream. Brotli format specification:
+// http://www.ietf.org/id/draft-alakuijala-brotli
+//
+// BrotliFilter is a subclass of Filter. See the latter's header file filter.h
+// for sample usage.

[Ryan Sleevi, 2015/12/28 19:30:53]

It seems like lines 5-10 belong as class-level documentation in the .cc;
strictly speaking, from the API contract that this header file provides, it
doesn't seem necessary to say any of this, and it may be coupling implementation
and interface

[eustas, 2015/12/29 13:15:39]

Surely.

+
+#ifndef NET_FILTER_BROTLI_FILTER_H_
+#define NET_FILTER_BROTLI_FILTER_H_
+
+#include "net/filter/filter.h"
+
+namespace net {
+
+Filter* CreateBrotliFilter(Filter::FilterType type_id);

[Ryan Sleevi, 2015/12/28 19:30:53]

Document?

[eustas, 2015/12/29 13:15:39]

Done.

+
+}  // namespace net
+
+#endif  // NET_FILTER_BROTLI_FILTER_H__