Comment out the warning. Bug 295228

content/events/src/nsDOMKeyboardEvent.cpp

@@ -105,7 +105,7 @@ nsDOMKeyboardEvent::GetCharCode(PRUint32* aCharCode)
   switch (mEvent->message) {
   case NS_KEY_UP:
   case NS_KEY_DOWN:
-    NS_WARNING("GetCharCode used for wrong key event; should use onkeypress.");
+  //NS_WARNING("GetCharCode used for wrong key event; should use onkeypress.");
     *aCharCode = 0;
     break;
   case NS_KEY_PRESS: