Index: ui/events/base_event_utils.cc |
diff --git a/ui/events/base_event_utils.cc b/ui/events/base_event_utils.cc |
index d4545bc45c4560dddc39c2c217a5e0045dd39914..76d5714bf07fb556423d2013af4dcce36900d996 100644 |
--- a/ui/events/base_event_utils.cc |
+++ b/ui/events/base_event_utils.cc |
@@ -19,9 +19,12 @@ namespace { |
#if defined(OS_CHROMEOS) |
const int kSystemKeyModifierMask = EF_ALT_DOWN | EF_COMMAND_DOWN; |
+#elif defined(OS_MACOSX) |
+// Alt modifier is used to input extended characters on Mac. |
+const int kSystemKeyModifierMask = EF_COMMAND_DOWN; |
#else |
const int kSystemKeyModifierMask = EF_ALT_DOWN; |
-#endif // defined(OS_CHROMEOS) |
+#endif // !defined(OS_CHROMEOS) && !defined(OS_MACOSX) |
} // namespace |