Disabled incognito death test on mac.

chrome/browser/prefs/incognito_mode_prefs_unittest.cc

Index: chrome/browser/prefs/incognito_mode_prefs_unittest.cc
diff --git a/chrome/browser/prefs/incognito_mode_prefs_unittest.cc b/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
index 6ae63646fb5f4c791456a1c8e3035b5ca83f7abb..db1a3f4d117aaeca59a80b94cede8bc09dd7831b 100644
--- a/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
+++ b/chrome/browser/prefs/incognito_mode_prefs_unittest.cc
@@ -55,7 +55,14 @@ TEST_F(IncognitoModePrefsTest, GetAvailability) {
 
 typedef IncognitoModePrefsTest IncognitoModePrefsDeathTest;
 
-TEST_F(IncognitoModePrefsDeathTest, GetAvailabilityBadValue) {
+// Takes too long to execute on Mac. http://crbug.com/101109
+#if defined(OS_MACOSX)
+#define MAYBE_GetAvailabilityBadValue DISABLED_GetAvailabilityBadValue
+#else
+#define MAYBE_GetAvailabilityBadValue GetAvailabilityBadValue
+#endif
+
+TEST_F(IncognitoModePrefsDeathTest, MAYBE_GetAvailabilityBadValue) {
   prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
                      Value::CreateIntegerValue(-1));
 #if defined(NDEBUG) && defined(DCHECK_ALWAYS_ON)