Support Compat mode inside of the desktop tree.

ui/events/event_constants.h

Index: ui/events/event_constants.h
diff --git a/ui/events/event_constants.h b/ui/events/event_constants.h
index 44589ab7a2d22c9215111f4b6de04ce46442f1a9..911964099fb6f6e5962a795ff27643e0a0fe8ae9 100644
--- a/ui/events/event_constants.h
+++ b/ui/events/event_constants.h
@@ -94,6 +94,8 @@ enum EventFlags {
   EF_MOD3_DOWN            = 1 << 11,
   EF_BACK_MOUSE_BUTTON    = 1 << 12,
   EF_FORWARD_MOUSE_BUTTON = 1 << 13,
+  EF_ALL_MODIFIERS        =
+      EF_SHIFT_DOWN | EF_CONTROL_DOWN | EF_ALT_DOWN | EF_COMMAND_DOWN,

[dmazzoni, 2015/06/18 22:23:41]

I wonder if ALTGR and MOD3 should be included?

If you're not sure, you can just define this constant in the file where you use
it, for now.

 };
 
 // Flags specific to key events