Split net/spdy into core and chromium subdirectories.

net/spdy/http2_frame_decoder_adapter.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_SPDY_HTTP2_FRAME_DECODER_ADAPTER_H_
-#define NET_SPDY_HTTP2_FRAME_DECODER_ADAPTER_H_
-
-// Provides a SpdyFramerDecoderAdapter that uses Http2FrameDecoder for decoding
-// HTTP/2 frames. The adapter does not directly decode HPACK, but instead calls
-// SpdyFramer::GetHpackDecoderForAdapter() to get the decoder to be used.
-
-#include <memory>
-
-#include "net/spdy/spdy_framer.h"
-#include "net/spdy/spdy_framer_decoder_adapter.h"
-
-namespace net {
-
-std::unique_ptr<SpdyFramerDecoderAdapter> CreateHttp2FrameDecoderAdapter(
-    SpdyFramer* outer_framer);
-
-}  // namespace net
-
-#endif  // NET_SPDY_HTTP2_FRAME_DECODER_ADAPTER_H_