[Sheriff] Disable SpellCheckTest.SpellCheckText on Windows

components/spellcheck/renderer/spellcheck_unittest.cc

Index: components/spellcheck/renderer/spellcheck_unittest.cc
diff --git a/components/spellcheck/renderer/spellcheck_unittest.cc b/components/spellcheck/renderer/spellcheck_unittest.cc
index 4077b8eb4d3a190ce5ef627483a1e4371bfe48cc..2257318532597c59d99cffd82f78146c3a52bdfa 100644
--- a/components/spellcheck/renderer/spellcheck_unittest.cc
+++ b/components/spellcheck/renderer/spellcheck_unittest.cc
@@ -489,9 +489,10 @@ TEST_F(SpellCheckTest, SpellCheckSuggestions_EN_US) {
 
 // This test verifies our spellchecker can split a text into words and check
 // the spelling of each word in the text.
-#if defined(THREAD_SANITIZER)
+#if defined(THREAD_SANITIZER) || defined(OS_WIN)
 // SpellCheckTest.SpellCheckText fails under ThreadSanitizer v2.
 // See http://crbug.com/217909.
+// Also fails on windows: crbug.com/678300.
 #define MAYBE_SpellCheckText DISABLED_SpellCheckText
 #else
 #define MAYBE_SpellCheckText SpellCheckText