Remove webrtc/sound/ subdir.

webrtc/sound/platformsoundsystemfactory.cc

-/*
- *  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.
- */
-
-#include "webrtc/sound/platformsoundsystemfactory.h"
-
-#include "webrtc/sound/platformsoundsystem.h"
-#include "webrtc/sound/soundsysteminterface.h"
-
-namespace rtc {
-
-PlatformSoundSystemFactory::PlatformSoundSystemFactory() {
-}
-
-PlatformSoundSystemFactory::~PlatformSoundSystemFactory() {
-}
-
-bool PlatformSoundSystemFactory::SetupInstance() {
-  if (!instance_.get()) {
-    instance_.reset(CreatePlatformSoundSystem());
-  }
-  if (!instance_->Init()) {
-    LOG(LS_ERROR) << "Can't initialize platform's sound system";
-    return false;
-  }
-  return true;
-}
-
-void PlatformSoundSystemFactory::CleanupInstance() {
-  instance_->Terminate();
-  // We do not delete the sound system because we might be re-initialized soon.
-}
-
-}  // namespace rtc