Backed out changeset 035b850b6a1e (bug 1829495) for wpt failures on...

  if (loadInfo->GetExternalContentPolicyType() ==

          ExtContentPolicy::TYPE_DOCUMENT ||

      loadInfo->GetExternalContentPolicyType() ==

          ExtContentPolicy::TYPE_SUBDOCUMENT ||

      loadInfo->GetExternalContentPolicyType() ==

          ExtContentPolicy::TYPE_WEBSOCKET) {

          ExtContentPolicy::TYPE_SUBDOCUMENT) {

    return true;

  }

// META: TIMEOUT=long

// META: script=/common/get-host-info.sub.js

// META: script=/common/utils.js

// META: script=/common/dispatcher/dispatcher.js

// META: script=./resources/common.js

promise_test_parallel(async test => {

  const same_origin = get_host_info().HTTPS_ORIGIN;

  const cross_origin = get_host_info().HTTPS_REMOTE_ORIGIN;

  const cookie_key = "coep_credentialless_websocket";

  const cookie_same_origin = "same_origin";

  const cookie_cross_origin = "cross_origin";

  await Promise.all([

    setCookie(same_origin, cookie_key, cookie_same_origin +

      cookie_same_site_none),

    setCookie(cross_origin, cookie_key, cookie_cross_origin +

      cookie_same_site_none),

  ]);

  // One window with COEP:none. (control)

  const w_control_token = token();

  const w_control_url = same_origin + executor_path +

    coep_none + `&uuid=${w_control_token}`

  const w_control = window.open(w_control_url);

  add_completion_callback(() => w_control.close());

  // One window with COEP:credentialless. (experiment)

  const w_credentialless_token = token();

  const w_credentialless_url = same_origin + executor_path +

    coep_credentialless + `&uuid=${w_credentialless_token}`;

  const w_credentialless = window.open(w_credentialless_url);

  add_completion_callback(() => w_credentialless.close());

  let WebSocketTest = function(

    description, origin,

    expected_cookies_control,

    expected_cookies_credentialless)

  {

    promise_test_parallel(async test => {

      const token_1 = token();

      const token_2 = token();

      const origin_for_websocket = origin.replace("https", "wss");

      send(w_control_token, `

        var ws = new WebSocket("${showRequestHeaders(origin_for_websocket, token_1)}");

        ws.close();

      `);

      send(w_credentialless_token, `

        var ws = new WebSocket("${showRequestHeaders(origin_for_websocket, token_2)}");

        ws.close();

      `);

      const headers_control = JSON.parse(await receive(token_1));

      const headers_credentialless = JSON.parse(await receive(token_2));

      assert_equals(parseCookies(headers_control)[cookie_key],

        expected_cookies_control,

        "coep:none => ");

      assert_equals(parseCookies(headers_credentialless)[cookie_key],

        expected_cookies_credentialless,

        "coep:credentialless => ");

    }, `WebSocket ${description}`)

  };

  // Same-origin request always contains Cookies:

  WebSocketTest("same-origin",

    same_origin,

    cookie_same_origin,

    cookie_same_origin);

  // Cross-origin request also always contains Cookies:

  WebSocketTest("cross-origin",

    cross_origin,

    cookie_cross_origin,

    cookie_cross_origin);

}, "Main");