You can remove your account from any device, even if you don't have that device in front of you. To sign out of any device, check your "Recently used devices" and remove your account from any of them.
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Não creio que exista alguma maneira de excluir remotamente dados locais do Google Chrome, mas você deve alterar suas senhas de qualquer maneira (já que elas já podem ter sido copiadas). Mas remova o dispositivo antes de atualizar suas senhas (além da conta do Google, que eu recomendo que você mude imediatamente).
Mais informações no link:
Sair do Chrome
When you sign out, your data will stop syncing to your Google Account. By default, the data you create while signed in will remain on the device. After you sign out, new data and changes you make in Chrome won't sync.
Sign out remotely You can remove your account from any device, even if you don't have that device in front of you. To sign out of any device, check your "Recently used devices" and remove your account from any of them.
Sign out on a computer Open Chrome. At the top right, click More More and then Settings. At the top, under "People," click Sign out. Confirm by clicking Sign out.
Sign out on an Android device, iPhone or iPad
- Open the Chrome app.
- At the top right, tap More More.
- Tap Settings.
- Tap your name.
- Tap Sign out of Chrome.
Remover alguém do Chrome
On a computer Multiple people can use Chrome on the same computer using multiple "Chrome profiles." After you remove someone from Chrome, their Chrome data is erased from the device.
- Open Chrome.
- At the top right, click the button with your name or People People.
- Click Manage people.
- Point to the person you want to remove.
- At the top right of the person, click More More and then Remove This Person.
- Confirm by clicking Remove This Person.
On an Android device, iPhone or iPad There is only one user profile for Chrome on your device, and it can't be deleted. To remove your data on your device, clear your browsing data.