Delete the audio modem and copresence private APIs.

components/audio_modem/test/stub_whispernet_client.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 COMPONENTS_AUDIO_MODEM_TEST_STUB_WHISPERNET_CLIENT_H_
-#define COMPONENTS_AUDIO_MODEM_TEST_STUB_WHISPERNET_CLIENT_H_
-
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "components/audio_modem/public/whispernet_client.h"
-#include "media/base/audio_bus.h"
-
-namespace audio_modem {
-
-// A simple WhispernetClient for testing.
-class StubWhispernetClient final : public WhispernetClient {
- public:
-  // Constructor. |samples| and |tokens|, if specified,
-  // will be returned for any encoding and decoding requests.
-  StubWhispernetClient(
-      scoped_refptr<media::AudioBusRefCounted> samples =
-          scoped_refptr<media::AudioBusRefCounted>(),
-      const std::vector<AudioToken>& tokens = std::vector<AudioToken>());
-
-  ~StubWhispernetClient() override;
-
-  void Initialize(const SuccessCallback& init_callback) override;
-
-  void EncodeToken(const std::string& token,
-                   AudioType type,
-                   const TokenParameters token_params[2]) override;
-  void DecodeSamples(AudioType type,
-                     const std::string& samples,
-                     const TokenParameters token_params[2]) override;
-
-  void RegisterTokensCallback(const TokensCallback& tokens_cb) override;
-  void RegisterSamplesCallback(const SamplesCallback& samples_cb) override;
-
-  TokensCallback GetTokensCallback() override;
-  SamplesCallback GetSamplesCallback() override;
-  SuccessCallback GetInitializedCallback() override;
-
- private:
-  TokensCallback tokens_cb_;
-  SamplesCallback samples_cb_;
-  scoped_refptr<media::AudioBusRefCounted> samples_;
-  std::vector<AudioToken> tokens_;
-
-  DISALLOW_COPY_AND_ASSIGN(StubWhispernetClient);
-};
-
-}  // namespace audio_modem
-
-#endif  // COMPONENTS_AUDIO_MODEM_TEST_STUB_WHISPERNET_CLIENT_H_