Refactor ZLib and Verbatim encoders.

remoting/base/compressor_verbatim.cc

+// 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.
+
+#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 true;
+}
+
+}  // namespace remoting