Post to fix for JDK-8157686 , retest the drt and remove these tests from Skipped list
 loader/stateobjects/pushstate-size-iframe.html
loader/stateobjects/pushstate-size.html
fast/history/back-forward-reset-after-error-handling.html
fast/history/history-length.html
fast/history/saves-state-after-fragment-nav.html
fast/history/go-back-to-iframe-with-plugin.html
fast/history/history-back-while-pdf-in-pagecache.html
fast/loader/frame-location-change-not-added-to-history.html
fast/loader/frame-src-change-not-added-to-history.html
fast/loader/stateobjects/pushstate-clears-forward-history.html
fast/loader/stateobjects/pushstate-in-iframe.html