WebContext.setWebProcessExtensionsInitializationUserData
void setWebProcessExtensionsInitializationUserData(glib.variant.Variant userData)Set user data to be passed to Web Extensions on initialization.
The data will be passed to the #WebKitWebProcessExtensionInitializeWithUserDataFunction. This method must be called before loading anything in this context, otherwise it will not have any effect. You can connect to #WebKitWebContext::initialize-web-process-extensions to call this method before anything is loaded.
Parameters
userData | a #GVariant |