Disable a flaky test that seems to completely blow up with some frequency on ...

chrome/browser/extensions/notifications_apitest.cc

Index: chrome/browser/extensions/notifications_apitest.cc
===================================================================
--- chrome/browser/extensions/notifications_apitest.cc	(revision 53482)
+++ chrome/browser/extensions/notifications_apitest.cc	(working copy)
@@ -8,8 +8,14 @@
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/profile.h"
 
+// Fails and hoses bot, http://crbug.com/50060.
 // Flaky, http://crbug.com/42314.
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, FLAKY_Notifications) {
+#if defined(OS_MACOSX)
+#define MAYBE_Notifications DISABLED_Notifications
+#else
+#define MAYBE_Notifications FLAKY_Notifications
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_Notifications) {
 #if defined(OS_LINUX) && defined(TOOLKIT_VIEWS)
   // Notifications not supported on linux/views yet.
 #else