[spellcheck] Re-enable Windows tests

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 3c09b7b7035d3f07fd77502d087efbc6ff172530..4077b8eb4d3a190ce5ef627483a1e4371bfe48cc 100644
--- a/components/spellcheck/renderer/spellcheck_unittest.cc
+++ b/components/spellcheck/renderer/spellcheck_unittest.cc
@@ -178,13 +178,7 @@ class MockTextCheckingCompletion : public blink::WebTextCheckingCompletion {
 // A test with a "[ROBUSTNESS]" mark shows it is a robustness test and it uses
 // grammatically incorrect string.
 // TODO(groby): Please feel free to add more tests.
-#if defined(OS_WIN) && !defined(NDEBUG)
-// Test times out on win dbg. crbug.com/678753.
-#define MAYBE_SpellCheckStrings_EN_US DISABLED_SpellCheckStrings_EN_US
-#else
-#define MAYBE_SpellCheckStrings_EN_US SpellCheckStrings_EN_US
-#endif
-TEST_F(SpellCheckTest, MAYBE_SpellCheckStrings_EN_US) {
+TEST_F(SpellCheckTest, SpellCheckStrings_EN_US) {
   static const struct {
     // A string to be tested.
     const wchar_t* input;
@@ -495,10 +489,9 @@ 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) || defined(OS_WIN)
+#if defined(THREAD_SANITIZER)

[groby-ooo-7-16, 2017/01/23 21:08:11]

Once this has landed, could you give this another try under TSAN as well?

 // 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