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

webrtc/base/crc32_unittest.cc

 /*
  *  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.
  */
 
 #include "webrtc/base/crc32.h"
 #include "webrtc/base/gunit.h"
 
 #include <string>
 
 namespace rtc {
 
 TEST(Crc32Test, TestBasic) {
   EXPECT_EQ(0U, ComputeCrc32(""));
   EXPECT_EQ(0x352441C2U, ComputeCrc32("abc"));
   EXPECT_EQ(0x171A3F5FU,
       ComputeCrc32("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
 }
 
 TEST(Crc32Test, TestMultipleUpdates) {
   std::string input =
       "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
-  uint32 c = 0;
+  uint32_t c = 0;
   for (size_t i = 0; i < input.size(); ++i) {
     c = UpdateCrc32(c, &input[i], 1);
   }
   EXPECT_EQ(0x171A3F5FU, c);
 }
 
 }  // namespace rtc