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


updateStyleHelper(theme, 'color-attribute-value-inverted', documentElements);
  updateStyleHelper(theme, 'color-attribute-editable-value', documentElements);
  updateStyleHelper(theme, 'color-background', documentElements);
  updateStyleHelper(theme, 'color-background-hover', documentElements);
  updateStyleHelper(theme, 'color-background-inactive', documentElements);
  updateStyleHelper(theme, 'color-background-invalid', documentElements);
  updateStyleHelper(theme, 'color-background-selected', documentElements);
  updateStyleHelper(theme, 'color-border', documentElements);
  updateStyleHelper(theme, 'color-button-background', documentElements);
  updateStyleHelper(theme, 'color-button-background-focus', documentElements);
  updateStyleHelper(theme, 'color-button', documentElements);
  updateStyleHelper(theme, 'color-button-active', documentElements);
  updateStyleHelper(theme, 'color-button-disabled', documentElements);
  updateStyleHelper(theme, 'color-button-focus', documentElements);
  updateStyleHelper(theme, 'color-button-hover', documentElements);
  updateStyleHelper(
    theme,
    'color-commit-did-not-render-fill',
    documentElements,
  );
  updateStyleHelper(
    theme,
    'color-commit-did-not-render-fill-text',
    documentElements,
  );
  updateStyleHelper(
    theme,
    'color-commit-did-not-render-pattern',
    documentElements,
  );