Computer Configuration > Administrative Templates > Google Chrome > Remote access
Both
HKLM\Software\Policies\Google\Chrome
Setting the policy to Enabled means the remote assistance host runs in a process with uiAccess permissions. This lets remote users interact with elevated windows on the local user's desktop. Setting the policy to Disabled or leaving it unset means the remote assistance host runs in the user's context, and remote users can't interact with elevated windows on the desktop.