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

webrtc/modules/rtp_rtcp/source/rtp_header_extensions.h

 /*
  *  Copyright (c) 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_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSIONS_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSIONS_H_
 
-#include "webrtc/base/basictypes.h"
+#include <stdint.h>
+
 #include "webrtc/common_video/rotation.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 
 namespace webrtc {
 
 class AbsoluteSendTime {
  public:
   static constexpr RTPExtensionType kId = kRtpExtensionAbsoluteSendTime;
   static constexpr uint8_t kValueSizeBytes = 3;
   static constexpr const char* kUri =
@@ skipping 66 matching lines @@
   static constexpr int kGranularityMs = 10;
   // Maximum playout delay value in milliseconds.
   static constexpr int kMaxMs = 0xfff * kGranularityMs;  // 40950.
 
   static bool Parse(const uint8_t* data, PlayoutDelay* playout_delay);
   static bool Write(uint8_t* data, const PlayoutDelay& playout_delay);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSIONS_H_