Delete the audio modem and copresence private APIs.

chrome/browser/copresence/chrome_whispernet_config.h

-// Copyright 2015 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 CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CONFIG_H_
-#define CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CONFIG_H_
-
-#include <stdint.h>
-
-// Shared structs with whispernet. TODO(rkc): These will be removed once we can
-// get protobufs working with Nacl. At that point, we'll just pass in
-// config_data.proto to the whispernet nacl wrapper directly.
-
-// We will be using fixed types in all these structures since they will be
-// stuffed into a string and then read on the other side via a completely
-// different toolchain.
-
-struct AudioDsssParams {
-  int64_t include_parity_symbol;
-  int64_t use_single_sideband;
-  double desired_carrier_frequency;
-  int64_t use_crc_16;
-  double coder_sample_rate;
-  double recording_sample_rate;
-  int64_t bits_per_symbol;
-  int64_t min_cycles_per_frame;
-  int64_t baseband_decimation_factor;
-  int64_t upsampling_factor;
-  int64_t num_repetitions_to_play;
-};
-
-struct AdsrParams {
-  int64_t attack_time_millis;
-  int64_t decay_time_millis;
-  int64_t sustain_time_millis;
-  int64_t release_time_millis;
-  double sustain_amplitude;
-};
-
-struct AudioDtmfParams {
-  int64_t include_parity_symbol;
-  int64_t use_crc_16;
-  double coder_sample_rate;
-  double recording_sample_rate;
-  int64_t baseband_decimation_factor;
-  int64_t frequencies_per_symbol;
-  int64_t window_duration_millis;
-  AdsrParams adsr_params;
-  int64_t num_repetitions_to_play;
-};
-
-struct LoggerParam {
-  int64_t clear_cached_request_duration_millis;
-  int64_t request_buffer_limit;
-};
-
-struct AudioParamData {
-  LoggerParam logger;
-  AudioDsssParams audio_dsss;
-  AudioDtmfParams audio_dtmf;
-  int64_t recording_channels;
-};
-
-#endif  // CHROME_BROWSER_COPRESENCE_CHROME_WHISPERNET_CONFIG_H_