Pages frequently fails to enter the back/forward cache due to pending loads. I think we should allow them to enter page cache as long as we've fired the load event in the main frame.
<rdar://problem/55758506>
Created attachment 379681 [details] Patch
Created attachment 379682 [details] Patch
Created attachment 379688 [details] Patch
Comment on attachment 379688 [details] Patch r=me
Comment on attachment 379688 [details] Patch Clearing flags on attachment: 379688 Committed r250414: <https://trac.webkit.org/changeset/250414>
All reviewed patches have been landed. Closing bug.