[PDFHistory] Move the IE11 pushState
/replaceState
work-around to src/shared/compatibility.js
(PR 10461 follow-up)
#11318
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I've always disliked the solution in PR #10461, since it required changes to the
PDFHistory
code itself to deal with a bug in IE11.Now that IE11 support is limited, it seems reasonable to remove these
pushState
/replaceState
hacks from the main code-base and simply use polyfills instead.