diff --git a/chrome/browser/chromeos/pipe_reader_unittest.cc b/chrome/browser/chromeos/pipe_reader_unittest.cc
index bc07032178571295183e110a563659535d61091c..3cb55ee5af6960c522a530ed48706ed1bb4763bb 100644
--- a/chrome/browser/chromeos/pipe_reader_unittest.cc
+++ b/chrome/browser/chromeos/pipe_reader_unittest.cc
@@ -76,6 +76,7 @@ TEST_F(PipeReaderTest, SuccessfulMultiLineReadTest) {
   }
 }
 
+// http://crbug.com/63228
 #if defined(OS_CHROMEOS)
 #define MAYBE_SuccessfulMultiLineReadNoEndingNewlineTest FLAKY_SuccessfulMultiLineReadNoEndingNewlineTest
 #else