mash: Move chromeos audio system tray files to //ash/common

ash/system/chromeos/audio/tray_audio_delegate_chromeos.cc

-// Copyright 2014 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 "ash/system/chromeos/audio/tray_audio_delegate_chromeos.h"
-
-#include "chromeos/audio/cras_audio_handler.h"
-#include "grit/ash_resources.h"
-
-using chromeos::CrasAudioHandler;
-
-namespace ash {
-namespace system {
-
-void TrayAudioDelegateChromeOs::AdjustOutputVolumeToAudibleLevel() {
-  CrasAudioHandler::Get()->AdjustOutputVolumeToAudibleLevel();
-}
-
-int TrayAudioDelegateChromeOs::GetOutputDefaultVolumeMuteLevel() {
-  return CrasAudioHandler::Get()->GetOutputDefaultVolumeMuteThreshold();
-}
-
-int TrayAudioDelegateChromeOs::GetOutputVolumeLevel() {
-  return CrasAudioHandler::Get()->GetOutputVolumePercent();
-}
-
-int TrayAudioDelegateChromeOs::GetActiveOutputDeviceIconId() {
-  chromeos::AudioDevice device;
-  if (!CrasAudioHandler::Get()->GetPrimaryActiveOutputDevice(&device))
-    return kNoAudioDeviceIcon;
-
-  if (device.type == chromeos::AUDIO_TYPE_HEADPHONE)
-    return IDR_AURA_UBER_TRAY_AUDIO_HEADPHONE;
-  else if (device.type == chromeos::AUDIO_TYPE_USB)
-    return IDR_AURA_UBER_TRAY_AUDIO_USB;
-  else if (device.type == chromeos::AUDIO_TYPE_BLUETOOTH)
-    return IDR_AURA_UBER_TRAY_AUDIO_BLUETOOTH;
-  else if (device.type == chromeos::AUDIO_TYPE_HDMI)
-    return IDR_AURA_UBER_TRAY_AUDIO_HDMI;
-  else
-    return kNoAudioDeviceIcon;
-}
-
-bool TrayAudioDelegateChromeOs::HasAlternativeSources() {
-  CrasAudioHandler* audio_handler = CrasAudioHandler::Get();
-  return (audio_handler->has_alternative_output() ||
-          audio_handler->has_alternative_input());
-}
-
-bool TrayAudioDelegateChromeOs::IsOutputAudioMuted() {
-  return CrasAudioHandler::Get()->IsOutputMuted();
-}
-
-void TrayAudioDelegateChromeOs::SetOutputAudioIsMuted(bool is_muted) {
-  CrasAudioHandler::Get()->SetOutputMute(is_muted);
-}
-
-void TrayAudioDelegateChromeOs::SetOutputVolumeLevel(int level) {
-  CrasAudioHandler::Get()->SetOutputVolumePercent(level);
-}
-
-void TrayAudioDelegateChromeOs::SetInternalSpeakerChannelMode(
-    AudioChannelMode mode) {
-  CrasAudioHandler::Get()->SwapInternalSpeakerLeftRightChannel(
-      mode == LEFT_RIGHT_SWAPPED);
-}
-
-void TrayAudioDelegateChromeOs::SetActiveHDMIOutoutRediscoveringIfNecessary(
-    bool force_rediscovering) {
-  CrasAudioHandler::Get()->SetActiveHDMIOutoutRediscoveringIfNecessary(
-      force_rediscovering);
-}
-
-}  // namespace system
-}  // namespace ash