We need to make V8 binding code of XMLHttpRequest.send handle File argument object.
Created attachment 38945 [details] Proposed Patch
Comment on attachment 38945 [details] Proposed Patch This should fix some tests, please mention in your ChangeLog which ones. If it does not fix tests, we need to write one to test this.
Created attachment 39026 [details] Proposed Patch I've added a new layout test.
Comment on attachment 39026 [details] Proposed Patch Yay! Fantastic!
Committed as http://trac.webkit.org/changeset/48260.