1. Wait for devtools to hit an error (eg: #18934).
2. Reload the page.

Expected: Devtools reinitializes cleanly.
Actual: Error is still there. Need to hide devtools, reload _again_, then show devtools to get it to behave.

DevTools version: 4.6.0-6cceaeb67


let pathData = null;
  switch (type) {
    case 'arrow':
      pathData = PATH_ARROW;
      break;
    case 'code':
      pathData = PATH_CODE;
      break;
    case 'components':
      pathData = PATH_COMPONENTS;
      break;
    case 'copy':
      pathData = PATH_COPY;