Remove ZLib codec support from chromoting host and client.

remoting/base/compressor_verbatim.cc

-// Copyright (c) 2012 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.
-
-#include "base/logging.h"
-#include "remoting/base/compressor_verbatim.h"
-
-namespace remoting {
-
-CompressorVerbatim::CompressorVerbatim() {
-}
-
-CompressorVerbatim::~CompressorVerbatim() {
-}
-
-void CompressorVerbatim::Reset() {
-}
-
-bool CompressorVerbatim::Process(const uint8* input_data, int input_size,
-                                 uint8* output_data, int output_size,
-                                 CompressorFlush flush, int* consumed,
-                                 int* written) {
-  DCHECK_GT(output_size, 0);
-  int bytes_to_copy = std::min(input_size, output_size);
-  memcpy(output_data, input_data, bytes_to_copy);
-
-  // Since we're just a memcpy, consumed and written are the same.
-  *consumed = *written = bytes_to_copy;
-  return (flush != CompressorFinish) || (output_size < bytes_to_copy);
-}
-
-}  // namespace remoting