Use suffixed {uint,int}{8,16,32,64}_t types.

webrtc/base/crc32.h

 /*
  *  Copyright 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.
  */
 
 #ifndef WEBRTC_BASE_CRC32_H_
 #define WEBRTC_BASE_CRC32_H_
 
 #include <string>
 
 #include "webrtc/base/basictypes.h"
 
 namespace rtc {
 
 // Updates a CRC32 checksum with |len| bytes from |buf|. |initial| holds the
 // checksum result from the previous update; for the first call, it should be 0.
-uint32 UpdateCrc32(uint32 initial, const void* buf, size_t len);
+uint32_t UpdateCrc32(uint32_t initial, const void* buf, size_t len);
 
 // Computes a CRC32 checksum using |len| bytes from |buf|.
-inline uint32 ComputeCrc32(const void* buf, size_t len) {
+inline uint32_t ComputeCrc32(const void* buf, size_t len) {
   return UpdateCrc32(0, buf, len);
 }
-inline uint32 ComputeCrc32(const std::string& str) {
+inline uint32_t ComputeCrc32(const std::string& str) {
   return ComputeCrc32(str.c_str(), str.size());
 }
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_CRC32_H_