Simply called "iCloud Passwords," the new Google Chrome extension allows its users to use the same Safari passwords that they created on their Apple device with Chrome on Windows. Besides, iCloud Passwords also saves passwords created with Google Chrome on Windows to the iCloud Keychain for later use on Apple devices.
https://www.notebookcheck.net/Apple-launches-Chrome-extension-for-using-iCloud-Keychain-passwords-on-Windows-PCs.517799.0.html