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

Removes the use of uint8, etc. in favor of uint8_t.

BUG=webrtc:5024
R=henrik.lundin@webrtc.org, henrikg@webrtc.org, perkj@webrtc.org, solenberg@webrtc.org, stefan@webrtc.org, tina.legrand@webrtc.org

Review URL: https://codereview.webrtc.org/1362503003 .

Cr-Commit-Position: refs/heads/master@{#10196}
diff --git a/webrtc/base/nullsocketserver_unittest.cc b/webrtc/base/nullsocketserver_unittest.cc
index 4bb1d7f..2aa38b4 100644
--- a/webrtc/base/nullsocketserver_unittest.cc
+++ b/webrtc/base/nullsocketserver_unittest.cc
@@ -14,7 +14,7 @@
 
 namespace rtc {
 
-static const uint32 kTimeout = 5000U;
+static const uint32_t kTimeout = 5000U;
 
 class NullSocketServerTest
     : public testing::Test,
@@ -38,7 +38,7 @@
 }
 
 TEST_F(NullSocketServerTest, TestWait) {
-  uint32 start = Time();
+  uint32_t start = Time();
   ss_.Wait(200, true);
   // The actual wait time is dependent on the resolution of the timer used by
   // the Event class. Allow for the event to signal ~20ms early.