Reland of place basictypes.h with stdint.h for int_t types.

webrtc/base/timedelta.h

 /*
  *  Copyright 2016 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_TIMEDELTA_H_
 #define WEBRTC_BASE_TIMEDELTA_H_
 
-#include "webrtc/base/basictypes.h"
+#include <stdint.h>
+
 #include "webrtc/base/timeutils.h"
 
 // Convenience class to convert between different units of relative time.
 // Stores time to precision of nanoseconds, as int64_t internally.
 // Doesn't check for overflow/underflow.
 //
 // Based on TimeDelta in:
 // https://code.google.com/p/chromium/codesearch#chromium/src/base/time/time.h
 namespace rtc {
 
@@ skipping 94 matching lines @@
 };
 
 template <typename T>
 inline TimeDelta operator*(T a, TimeDelta td) {
   return td * a;
 }
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_TIMEDELTA_H_