https://w3c.github.io/webdriver/webdriver-spec.html#getting-page-source
*** Bug 181737 has been marked as a duplicate of this bug. ***
Created attachment 383039 [details] Patch
Comment on attachment 383039 [details] Patch r=me
Committed r252238: <https://trac.webkit.org/changeset/252238>
<rdar://problem/57020586>