EF_NUMPAD_KEY flag for ui::KeyEvent

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 bf8b04ee58b0cde6d9036d3d5840b84869b8672a..a540690797bfec0fc33021cfb2ea818e9bba797c 100644
--- a/ui/events/x/events_x.cc
+++ b/ui/events/x/events_x.cc
@@ -9,6 +9,7 @@
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xlib.h>
+#include <X11/Xutil.h>
 
 #include "base/logging.h"
 #include "base/memory/singleton.h"
@@ -148,6 +149,11 @@ int GetEventFlagsFromXState(unsigned int state) {
   return flags;
 }
 
+int GetEventFlagsFromXKeyEvent(XEvent* xevent) {
+  return GetEventFlagsFromXState(xevent->xkey.state) |
+         (IsKeypadKey(XLookupKeysym(&xevent->xkey, 0)) ? ui::EF_NUMPAD_KEY : 0);
+}
+
 // Get the event flag for the button in XButtonEvent. During a ButtonPress
 // event, |state| in XButtonEvent does not include the button that has just been
 // pressed. Instead |state| contains flags for the buttons (if any) that had
@@ -328,7 +334,7 @@ int EventFlagsFromNative(const base::NativeEvent& native_event) {
     case KeyPress:
     case KeyRelease: {
       XModifierStateWatcher::GetInstance()->UpdateStateFromEvent(native_event);
-      return GetEventFlagsFromXState(native_event->xkey.state);
+      return GetEventFlagsFromXKeyEvent(native_event);
     }
     case ButtonPress:
     case ButtonRelease: {