Remove webrtc/sound/ subdir.

webrtc/sound/alsasoundsystem.h

Index: webrtc/sound/alsasoundsystem.h
diff --git a/webrtc/sound/alsasoundsystem.h b/webrtc/sound/alsasoundsystem.h
deleted file mode 100644
index dbf34d178b265f44f3c3511f2630115f2755d639..0000000000000000000000000000000000000000
--- a/webrtc/sound/alsasoundsystem.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_SOUND_ALSASOUNDSYSTEM_H_
-#define WEBRTC_SOUND_ALSASOUNDSYSTEM_H_
-
-#include "webrtc/sound/alsasymboltable.h"
-#include "webrtc/sound/soundsysteminterface.h"
-#include "webrtc/base/constructormagic.h"
-
-namespace rtc {
-
-class AlsaStream;
-class AlsaInputStream;
-class AlsaOutputStream;
-
-// Sound system implementation for ALSA, the predominant sound device API on
-// Linux (but typically not used directly by applications anymore).
-class AlsaSoundSystem : public SoundSystemInterface {
-  friend class AlsaStream;
-  friend class AlsaInputStream;
-  friend class AlsaOutputStream;
- public:
-  static SoundSystemInterface *Create() {
-    return new AlsaSoundSystem();
-  }
-
-  AlsaSoundSystem();
-
-  ~AlsaSoundSystem() override;
-
-  bool Init() override;
-  void Terminate() override;
-
-  bool EnumeratePlaybackDevices(SoundDeviceLocatorList *devices) override;
-  bool EnumerateCaptureDevices(SoundDeviceLocatorList *devices) override;
-
-  bool GetDefaultPlaybackDevice(SoundDeviceLocator **device) override;
-  bool GetDefaultCaptureDevice(SoundDeviceLocator **device) override;
-
-  SoundOutputStreamInterface *OpenPlaybackDevice(
-      const SoundDeviceLocator *device,
-      const OpenParams &params) override;
-  SoundInputStreamInterface *OpenCaptureDevice(
-      const SoundDeviceLocator *device,
-      const OpenParams &params) override;
-
-  const char *GetName() const override;
-
- private:
-  bool IsInitialized() { return initialized_; }
-
-  bool EnumerateDevices(SoundDeviceLocatorList *devices,
-                        bool capture_not_playback);
-
-  bool GetDefaultDevice(SoundDeviceLocator **device);
-
-  static size_t FrameSize(const OpenParams &params);
-
-  template <typename StreamInterface>
-  StreamInterface *OpenDevice(
-      const SoundDeviceLocator *device,
-      const OpenParams &params,
-      snd_pcm_stream_t type,
-      StreamInterface *(AlsaSoundSystem::*start_fn)(
-          snd_pcm_t *handle,
-          size_t frame_size,
-          int wait_timeout_ms,
-          int flags,
-          int freq));
-
-  SoundOutputStreamInterface *StartOutputStream(
-      snd_pcm_t *handle,
-      size_t frame_size,
-      int wait_timeout_ms,
-      int flags,
-      int freq);
-
-  SoundInputStreamInterface *StartInputStream(
-      snd_pcm_t *handle,
-      size_t frame_size,
-      int wait_timeout_ms,
-      int flags,
-      int freq);
-
-  const char *GetError(int err);
-
-  bool initialized_;
-  AlsaSymbolTable symbol_table_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(AlsaSoundSystem);
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_SOUND_ALSASOUNDSYSTEM_H_