Switch to standard integer types in mojo/.

mojo/edk/system/test_utils.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/edk/system/test_utils.h"
 
+#include <stdint.h>
+
 #include <limits>
 
 #include "base/logging.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/platform_thread.h"  // For |Sleep()|.
 #include "build/build_config.h"
 
 namespace mojo {
 namespace edk {
 namespace test {
@@ skipping 48 matching lines @@
 MojoDeadline Stopwatch::Elapsed() {
   int64_t result = (base::TimeTicks::Now() - start_time_).InMicroseconds();
   // |DCHECK_GE|, not |CHECK_GE|, since this may be performance-important.
   DCHECK_GE(result, 0);
   return static_cast<MojoDeadline>(result);
 }
 
 }  // namespace test
 }  // namespace edk
 }  // namespace mojo