postData.setData(stringStream);
  }
  const { userContextId } = win.gBrowser.contentPrincipal;
  win.gBrowser.selectedTab = win.gBrowser.addWebTab(url, {
    // TODO this should be using the original request principal
    triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({
      userContextId,
    }),
    userContextId,
    postData,
  });
}

function getInputStreamFromString(data) {
  const stringStream = Cc[
    "@mozilla.org/io/string-input-stream;1"
  ].createInstance(Ci.nsIStringInputStream);
  stringStream.setByteStringData(data);
  return stringStream;
}

module.exports = {
  openRequestInTab,
};
PK