Remove ZLib codec support from chromoting host and client.

remoting/base/compressor.h

-// Copyright (c) 2010 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_BASE_COMPRESSOR_H_
-#define REMOTING_BASE_COMPRESSOR_H_
-
-#include "base/basictypes.h"
-
-namespace remoting {
-
-// An object to compress data losslessly. Compressed data can be fully
-// recovered by a Decompressor.
-//
-// Note that a Compressor can only be used on one stream during its
-// lifetime. This object should be destroyed after use.
-class Compressor {
- public:
-
-  // Defines the flush modes for a compressor.
-  enum CompressorFlush {
-    CompressorNoFlush,
-    CompressorSyncFlush,
-    CompressorFinish,
-  };
-  virtual ~Compressor() {}
-
-  // Resets all the internal state so the compressor behaves as if it
-  // was just created.
-  virtual void Reset() = 0;
-
-  // Compress |input_data| with |input_size| bytes.
-  //
-  // |output_data| is provided by the caller and |output_size| is the
-  // size of |output_data|. |output_size| must be greater than 0.
-  //
-  // |flush| is set to one of the three value:
-  // - CompressorNoFlush
-  //   No flushing is requested
-  // - CompressorSyncFlush
-  //   Write all pending output and write a synchronization point in the
-  //   output data stream.
-  // - CompressorFinish
-  //   Mark the end of stream.
-  //
-  // Compressed data is written to |output_data|. |consumed| will
-  // contain the number of bytes consumed from the input. |written|
-  // contains the number of bytes written to output.
-  //
-  // Returns true if this method needs to be called again because
-  // there is more data to be written out. This is particularly
-  // useful for end of the compression stream.
-  virtual bool Process(const uint8* input_data, int input_size,
-                       uint8* output_data, int output_size,
-                       CompressorFlush flush, int* consumed, int* written) = 0;
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_BASE_COMPRESSOR_H_