Replacestate Then Pushstate

third_party/blink/web_tests/fast/loader/stateobjects/replacestate-then-pushstate.html

149.0.7827.2309 B

This test does the following:
-Makes a call to replaceState()
-Makes sure the history length is correct
-Makes a call to pushState()
-Makes sure the history length is correct
-Goes back, and makes sure the popstate event is correct
-Goes forward, and makes sure the popstate event is correct