Add EF_FINAL_MODIFIERS to suppress remapping.

ui/events/x/events_x.cc

Index: ui/events/x/events_x.cc
diff --git a/ui/events/x/events_x.cc b/ui/events/x/events_x.cc
index 03b7e28d8de9704453e90d7dde5a6e126667863b..a6498421a2fad80bf8d6b2310446e79d3a4a80a1 100644
--- a/ui/events/x/events_x.cc
+++ b/ui/events/x/events_x.cc
@@ -399,7 +399,10 @@ int EventFlagsFromNative(const base::NativeEvent& native_event) {
     case KeyPress:
     case KeyRelease: {
       XModifierStateWatcher::GetInstance()->UpdateStateFromXEvent(native_event);
-      return GetEventFlagsFromXKeyEvent(native_event);
+      int flags = GetEventFlagsFromXKeyEvent(native_event);
+      if (native_event->xkey.send_event)
+        flags |= EF_FINAL_MODIFIERS;
+      return flags;
     }
     case ButtonPress:
     case ButtonRelease: {
@@ -453,7 +456,10 @@ int EventFlagsFromNative(const base::NativeEvent& native_event) {
         case XI_KeyRelease: {
           XModifierStateWatcher::GetInstance()->UpdateStateFromXEvent(
               native_event);
-          return GetEventFlagsFromXGenericEvent(native_event);
+          int flags = GetEventFlagsFromXGenericEvent(native_event);

[sadrul, 2014/07/15 04:48:07]

Update GetEventFlagsFromXKeyEvent() and GetEventFlagsFromXGenericEvent() instead
to set the FINAL flag for send_event.

[kpschoedel, 2014/07/15 14:27:46]

Done.

+          if (native_event->xkey.send_event)
+            flags |= EF_FINAL_MODIFIERS;
+          return flags;
         }
       }
     }