system_wrappers: rename interface -> include

webrtc/system_wrappers/interface/sleep.h

Index: webrtc/system_wrappers/interface/sleep.h
diff --git a/webrtc/system_wrappers/interface/sleep.h b/webrtc/system_wrappers/interface/sleep.h
deleted file mode 100644
index c0205bf085555475eedadf24057e7681b9902d48..0000000000000000000000000000000000000000
--- a/webrtc/system_wrappers/interface/sleep.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- *  Copyright (c) 2012 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.
- */
-// An OS-independent sleep function.
-
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SLEEP_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SLEEP_H_
-
-namespace webrtc {
-
-// This function sleeps for the specified number of milliseconds.
-// It may return early if the thread is woken by some other event,
-// such as the delivery of a signal on Unix.
-void SleepMs(int msecs);
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SLEEP_H_