The crucial point to realize with the Guest account is that the User homefolder it creates, with preferences set in its /Library/Preferences folder, are wiped upon logout.
To effect changes, you need to make the changes (add the specific preference files) in the /System/Library/User Template/English.lproj folder. This folder contains the generic template User Homefolder structure used when creating a new user or the Guest User.
This page has details about how it is done in Snow Leopard, but it is applicable to Mavericks.
Best Answer
You need to go into Google Chrome Settings, under People to remove the accounts.
Select Manage other People
Select the person you want to Delete by hovering over the upper right corner of the avatar to show the three vertical dots.
Select Remove this person