Remove ZLib codec support from chromoting host and client.

remoting/codec/video_encoder_row_based.h

-// Copyright (c) 2011 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 REMOTING_CODEC_VIDEO_ENCODER_ROW_BASED_H_
-#define REMOTING_CODEC_VIDEO_ENCODER_ROW_BASED_H_
-
-#include "remoting/codec/video_encoder.h"
-#include "remoting/proto/video.pb.h"
-#include "third_party/skia/include/core/SkRect.h"
-
-namespace remoting {
-
-class Compressor;
-
-// VideoEncoderRowBased implements a VideoEncoder using zlib or verbatim
-// compression. Zlib-based encoder must be created using
-// CreateZlibEncoder(), verbatim encoder is created with
-// CreateVerbatimEncoder().
-//
-// Compressor is reset before encoding each rectangle, so that each
-// rectangle can be decoded independently.
-class VideoEncoderRowBased : public VideoEncoder {
- public:
-  static VideoEncoderRowBased* CreateZlibEncoder();
-  static VideoEncoderRowBased* CreateZlibEncoder(int packet_size);
-  static VideoEncoderRowBased* CreateVerbatimEncoder();
-  static VideoEncoderRowBased* CreateVerbatimEncoder(int packet_size);
-
-  virtual ~VideoEncoderRowBased();
-
-  virtual void Encode(
-      scoped_refptr<CaptureData> capture_data,
-      bool key_frame,
-      const DataAvailableCallback& data_available_callback) OVERRIDE;
-
- private:
-  VideoEncoderRowBased(Compressor* compressor,
-                       VideoPacketFormat::Encoding encoding);
-  VideoEncoderRowBased(Compressor* compressor,
-                       VideoPacketFormat::Encoding encoding,
-                       int packet_size);
-
-  // Encode a single dirty rect using compressor.
-  void EncodeRect(const SkIRect& rect, bool last);
-
-  // Marks a packet as the first in a series of rectangle updates.
-  void PrepareUpdateStart(const SkIRect& rect, VideoPacket* packet);
-
-  // Retrieves a pointer to the output buffer in |update| used for storing the
-  // encoded rectangle data.  Will resize the buffer to |size|.
-  uint8* GetOutputBuffer(VideoPacket* packet, size_t size);
-
-  // Submit |message| to |callback_|.
-  void SubmitMessage(VideoPacket* packet, size_t rect_index);
-
-  // The encoding of the incoming stream.
-  VideoPacketFormat::Encoding encoding_;
-
-  scoped_ptr<Compressor> compressor_;
-
-  scoped_refptr<CaptureData> capture_data_;
-  DataAvailableCallback callback_;
-
-  // The most recent screen size.
-  SkISize screen_size_;
-
-  int packet_size_;
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_CODEC_VIDEO_ENCODER_ROW_BASED_H_