Clean up event flags a bit:

ui/events/event.cc

Index: ui/events/event.cc
diff --git a/ui/events/event.cc b/ui/events/event.cc
index 66d42780a1e9387ee5b28b371560d480755cda11..f4cf7cfd9faac42b3ce16af58e09e73c86101ee7 100644
--- a/ui/events/event.cc
+++ b/ui/events/event.cc
@@ -872,7 +872,7 @@ bool KeyEvent::IsUnicodeKeyCode() const {
   // Check whether the user is using the numeric keypad with num-lock off.
   // In that case, EF_EXTENDED will not be set; if it is set, the key event
   // originated from the relevant non-numpad dedicated key, e.g. [Insert].
-  return (!(flags() & EF_EXTENDED) &&
+  return (!(flags() & EF_IS_EXTENDED_KEY) &&
           (key == VKEY_INSERT || key == VKEY_END  || key == VKEY_DOWN ||
            key == VKEY_NEXT   || key == VKEY_LEFT || key == VKEY_CLEAR ||
            key == VKEY_RIGHT  || key == VKEY_HOME || key == VKEY_UP ||