chrome.webRequest.onBeforeSendHeaders.addListener((details) => {
  const newHeaders = details.requestHeaders.filter((header) => {
    if (header.name === "Origin" || header.name === "origin") {
       return false;
    }
    return true;
  });
  return { requestHeaders: newHeaders };
}, {
  urls: ["*://*.example.com/*"],
}, ["blocking", "extraHeaders", "requestHeaders"]);