Function webkit2gtk_sys::webkit_web_context_register_uri_scheme

pub unsafe extern "C" fn webkit_web_context_register_uri_scheme(
    context: *mut WebKitWebContext,
    scheme: *const c_char,
    callback: WebKitURISchemeRequestCallback,
    user_data: gpointer,
    user_data_destroy_func: GDestroyNotify
)