Senddialog, and metamask should popup, prompting you to complete the transfer.
- Used an old laptop (that had been dormant for >1 year)
- Downloaded the backup folder from before the cookies were erased: /Users//Library/Application Support/Google/Chrome/*
- Using the CLI (vs Finder) I copied over the folder to the location on the old laptop
- When loading up Chrome, it had restored the cookies and state of the browser
--num-workerscan be configured as needed.