Switch to standard integer types in printing/.

printing/printing_utils_unittest.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 <stddef.h>
+
 #include "base/strings/utf_string_conversions.h"
 #include "printing/printing_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace printing {
 
 namespace {
 
 const size_t kTestLength = 8;
 
@@ skipping 22 matching lines @@
   EXPECT_EQ("abc: ", Format("abc", ""));
   EXPECT_EQ(": 123", Format("", "123"));
   EXPECT_EQ("abc: 123", Format("abc", "123"));
   EXPECT_EQ("abc: 0.9", Format("abc", "0123456789"));
   EXPECT_EQ("ab...j: ", Format("abcdefghij", "123"));
   EXPECT_EQ("ab...j: ", Format("abcdefghij", "0123456789"));
 }
 
 }  // namespace printing