Tests for screen functions accessed data collection in ResourceLoadStatistics plist by querying for all the screen properties and dumping the entire resource load statistics map.
Resource load statistics:

Registrable domain: 127.0.0.1
    hadUserInteraction: No
    mostRecentUserInteraction: -1
    grandfathered: No
    gotLinkDecorationFromPrevalentResource: No
    isPrevalentResource: No
    isVeryPrevalentResource: No
    dataRecordsRemoved: 0
    fontsSuccessfullyLoaded:
        Times
    topFrameRegistrableDomainsWhichAccessedWebAPIs:
        127.0.0.1
    screenFunctionsAccessed:
        height
        width
        colorDepth
        pixelDepth
        availLeft
        availTop
        availHeight
        availWidth
    canvasReadData: No