Switch to standard integer types in components/, part 4 of 4.

BUG=138542
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Review URL: https://codereview.chromium.org/1549993003

Cr-Commit-Position: refs/heads/master@{#366870}
diff --git a/components/url_matcher/url_matcher_unittest.cc b/components/url_matcher/url_matcher_unittest.cc
index 3d6d6c5..7219d60 100644
--- a/components/url_matcher/url_matcher_unittest.cc
+++ b/components/url_matcher/url_matcher_unittest.cc
@@ -4,6 +4,9 @@
 
 #include "components/url_matcher/url_matcher.h"
 
+#include <stddef.h>
+
+#include "base/macros.h"
 #include "base/strings/string_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"