Revert of Replace basictypes.h with stdint.h for int_t types.

webrtc/base/rtccertificate.h

 /*
  *  Copyright 2015 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_RTCCERTIFICATE_H_
 #define WEBRTC_BASE_RTCCERTIFICATE_H_
 
-#include <stdint.h>
-
 #include <memory>
 
+#include "webrtc/base/basictypes.h"
 #include "webrtc/base/refcount.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/base/sslidentity.h"
 
 namespace rtc {
 
 // This class contains PEM strings of an RTCCertificate's private key and
 // certificate and acts as a text representation of RTCCertificate. Certificates
 // can be serialized and deserialized to and from this format, which allows for
 // cloning and storing of certificates to disk. The PEM format is that of
@@ skipping 50 matching lines @@
 
  private:
   // The SSLIdentity is the owner of the SSLCertificate. To protect our
   // ssl_certificate() we take ownership of |identity_|.
   std::unique_ptr<SSLIdentity> identity_;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_RTCCERTIFICATE_H_