ms2ger file api submission
include support
Move David Bruant's DOM Events tests into position.
Add a test for DOMTokenList's stringifier.
Add a test for document.images.
Address some comments about the document.images test.
Make the last argument to DOMImplementation.createDocument optional.
https://www.w3.org/Bugs/Public/show_bug.cgi?id=22959
Update Blob-constructor.html for changes to WebIDL's conversion to sequence algorithm.
Split up tests for document.images.
Remove an unnecessary element.
Use window.onerror instead of window.addEventListener('error').

I believe the spec actually supports the latter now, but that is not the main goal of this test.
Use assert_equals for better error messages.
Remove an unnecessary element.
Remove unnecessary references to TestTWF.
Extend my Blob constructor test.
Work around the fact that idlharness.js doesn't support DOMTimeStamp yet.
Added html-its tests.
Add a test for the textContent setter.
Update withintext1html.html

Update withintext3html.html

Update withintext4html.html
Update storagesize1html.html