Remove dependency on AudioStub in ConnectionToClient

remoting/codec/audio_decoder_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 "remoting/codec/audio_decoder_verbatim.h"
-
-#include "base/logging.h"
-#include "remoting/proto/audio.pb.h"
-
-namespace remoting {
-
-AudioDecoderVerbatim::AudioDecoderVerbatim() {}
-AudioDecoderVerbatim::~AudioDecoderVerbatim() {}
-
-std::unique_ptr<AudioPacket> AudioDecoderVerbatim::Decode(
-    std::unique_ptr<AudioPacket> packet) {
-  // Return a null scoped_ptr if we get a corrupted packet.
-  if ((packet->encoding() != AudioPacket::ENCODING_RAW) ||
-      (packet->data_size() != 1) ||
-      (packet->sampling_rate() == AudioPacket::SAMPLING_RATE_INVALID) ||
-      (packet->bytes_per_sample() != AudioPacket::BYTES_PER_SAMPLE_2) ||
-      (packet->channels() != AudioPacket::CHANNELS_STEREO) ||
-      (packet->data(0).size() %
-       (AudioPacket::CHANNELS_STEREO * AudioPacket::BYTES_PER_SAMPLE_2) != 0)) {
-    LOG(WARNING) << "Verbatim decoder received an invalid packet.";
-    return nullptr;
-  }
-  return packet;
-}
-
-}  // namespace remoting