Move webrtc/{base => rtc_base}

webrtc/rtc_base/cpu_time.h

 /*
  *  Copyright (c) 2017 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_BASE_CPU_TIME_H_
-#define WEBRTC_BASE_CPU_TIME_H_
+#ifndef WEBRTC_RTC_BASE_CPU_TIME_H_
+#define WEBRTC_RTC_BASE_CPU_TIME_H_
 
 #include <stdint.h>
 
 namespace rtc {
 
 // Returns total CPU time of a current process in nanoseconds.
 // Time base is unknown, therefore use only to calculate deltas.
 int64_t GetProcessCpuTimeNanos();
 
 // Returns total CPU time of a current thread in nanoseconds.
 // Time base is unknown, therefore use only to calculate deltas.
 int64_t GetThreadCpuTimeNanos();
 
 }  // namespace rtc
 
-#endif  // WEBRTC_BASE_CPU_TIME_H_
+#endif  // WEBRTC_RTC_BASE_CPU_TIME_H_