Function webkit2gtk_sys::webkit_web_context_set_network_proxy_settings

pub unsafe extern "C" fn webkit_web_context_set_network_proxy_settings(
    context: *mut WebKitWebContext,
    proxy_mode: WebKitNetworkProxyMode,
    proxy_settings: *mut WebKitNetworkProxySettings
)

Available on crate feature v2_16 only.