Code:  AudioRendererHost::AudioRendererHost(int render_process_id,
                                      media::AudioManager* audio_manager,
                                      AudioMirroringManager* mirroring_manager,
                                      MediaStreamManager* media_stream_manager,
                                      const std::string& salt)
    : BrowserMessageFilter(AudioMsgStart),
      render_process_id_(render_process_id),
      audio_manager_(audio_manager),
      mirroring_manager_(mirroring_manager),
       media_stream_manager_(media_stream_manager),
       salt_(salt),
       validate_render_frame_id_function_(&ValidateRenderFrameId),
      authorization_handler_(audio_manager_,
                              media_stream_manager,
                              render_process_id_,
                              salt) {
  DCHECK(audio_manager_);
}

Commit Message: Switching AudioOutputAuthorizationHandler from using AudioManager interface to AudioSystem one.

BUG=672468
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2692203003
Cr-Commit-Position: refs/heads/master@{#450939}
CWE ID: 
 AudioRendererHost::AudioRendererHost(int render_process_id,
                                      media::AudioManager* audio_manager,
                                     media::AudioSystem* audio_system,
                                      AudioMirroringManager* mirroring_manager,
                                      MediaStreamManager* media_stream_manager,
                                      const std::string& salt)
    : BrowserMessageFilter(AudioMsgStart),
      render_process_id_(render_process_id),
      audio_manager_(audio_manager),
      mirroring_manager_(mirroring_manager),
       media_stream_manager_(media_stream_manager),
       salt_(salt),
       validate_render_frame_id_function_(&ValidateRenderFrameId),
      authorization_handler_(audio_system,
                              media_stream_manager,
                              render_process_id_,
                              salt) {
  DCHECK(audio_manager_);
}
