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

webrtc/base/crc32_unittest.cc

Index: webrtc/base/crc32_unittest.cc
diff --git a/webrtc/base/crc32_unittest.cc b/webrtc/base/crc32_unittest.cc
index 0bfdeeea0d242aa33c213ddff337644d86b035bd..6da5c323782671afda72f765725dec03ac98dbc5 100644
--- a/webrtc/base/crc32_unittest.cc
+++ b/webrtc/base/crc32_unittest.cc
@@ -25,7 +25,7 @@ TEST(Crc32Test, TestBasic) {
 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);
   }