Create a copy of talk/sound under webrtc/sound.

BUG=3379
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/22379004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6986 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/sound/linuxsoundsystem.cc b/sound/linuxsoundsystem.cc
new file mode 100644
index 0000000..c420ab5
--- /dev/null
+++ b/sound/linuxsoundsystem.cc
@@ -0,0 +1,25 @@
+/*
+ *  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/linuxsoundsystem.h"
+
+#include "webrtc/sound/alsasoundsystem.h"
+#include "webrtc/sound/pulseaudiosoundsystem.h"
+
+namespace rtc {
+
+const SoundSystemCreator kLinuxSoundSystemCreators[] = {
+#ifdef HAVE_LIBPULSE
+  &PulseAudioSoundSystem::Create,
+#endif
+  &AlsaSoundSystem::Create,
+};
+
+}  // namespace rtc