context menu does not work if one already open

ui/base/events/event.cc

Index: ui/base/events/event.cc
diff --git a/ui/base/events/event.cc b/ui/base/events/event.cc
index e999f3334375acdb3ea16b1a62e598476e693555..f6ed1a3a6e7348b025eebbb79c6039c7720211ff 100644
--- a/ui/base/events/event.cc
+++ b/ui/base/events/event.cc
@@ -104,6 +104,14 @@ std::string EventTypeName(ui::EventType type) {
   return std::string();
 }
 
+bool IsX11SendEventTrue(const base::NativeEvent& event) {
+#if defined(USE_X11)
+  if (event && event->xany.send_event)
+    return true;
+#endif
+  return false;
+}
+
 }  // namespace
 
 namespace ui {
@@ -299,6 +307,9 @@ bool MouseEvent::IsRepeatedClickEvent(
       (event2.flags() & ~EF_IS_DOUBLE_CLICK))
     return false;
 
+  if (IsX11SendEventTrue(event2.native_event()))
+    return false;
+
   base::TimeDelta time_difference = event2.time_stamp() - event1.time_stamp();
 
   if (time_difference.InMilliseconds() > kDoubleClickTimeMS)