Alternatively, we can trun on switches::kSitePerProcess in
browser-laptop by default, otherwise we have to provide a toggle
switches::kDisableSiteIsolationTrials which is equivalent to
site-isolation-trial-opt-out in chrome://flags
see SiteIsolationPolicy::UseDedicatedProcessesForAllSites
Alternatively, we can trun on switches::kSitePerProcess in browser-laptop by default, otherwise we have to provide a toggle
switches::kDisableSiteIsolationTrials
which is equivalent tosite-isolation-trial-opt-out
inchrome://flags
seeSiteIsolationPolicy::UseDedicatedProcessesForAllSites
Auditors: @bridiver, @diracdeltas