fune/browser/base/content/test/tabs/browser_e10s_javascript.js

const CHROME_PROCESS = E10SUtils.NOT_REMOTE;
const WEB_CONTENT_PROCESS = E10SUtils.WEB_REMOTE_TYPE;

add_task(async function() {
  let url = "javascript:dosomething()";

  ok(E10SUtils.canLoadURIInRemoteType(url, /* fission */ false, CHROME_PROCESS),
     "Check URL in chrome process.");
  ok(E10SUtils.canLoadURIInRemoteType(url, /* fission */ false, WEB_CONTENT_PROCESS),
     "Check URL in web content process.");
});