Temporarily disabled tests failing on 10.8, when running on 10.8.

chrome/browser/browser_keyevents_browsertest.cc

Index: chrome/browser/browser_keyevents_browsertest.cc
diff --git a/chrome/browser/browser_keyevents_browsertest.cc b/chrome/browser/browser_keyevents_browsertest.cc
index 5dd8c0442280cc5ecaf27f585eb8828c08aaa5bf..921a51dc3e438047de713cd8325a51d6ad48537b 100644
--- a/chrome/browser/browser_keyevents_browsertest.cc
+++ b/chrome/browser/browser_keyevents_browsertest.cc
@@ -6,6 +6,9 @@
 
 #include "base/basictypes.h"
 #include "base/logging.h"
+#if defined(OS_MACOSX)
+#import "base/mac/mac_util.h"
+#endif
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ -755,6 +758,10 @@ IN_PROC_BROWSER_TEST_F(BrowserKeyEventsTest, MAYBE_ReservedAccelerators) {
 
 #if defined(OS_MACOSX)
 IN_PROC_BROWSER_TEST_F(BrowserKeyEventsTest, EditorKeyBindings) {
+  // TODO(kbr): re-enable: http://crbug.com/222296
+  if (base::mac::IsOSMountainLionOrLater())
+    return;
+
   static const KeyEventTestData kTestCtrlA = {
     ui::VKEY_A, true, false, false, false,
     false, false, false, false, 4,