[giow] (0) Make showModalDialog()'s dialogArguments and returnValue only be useful same-origin, to avoid origins attacking each other
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21932
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7975 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit c140f696e432323138f46474ad7ac1b950a20a8a)
[giow] (3) WindowModal.returnValue isn't limited to strings.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21771
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@7976 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 322c05130290651fe910ed0dff054ec43890724b)
[giow] (3) Define window.close; update the list of members exposed cross-origin on Window to match reality
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21970
Affected topics: DOM APIs, Security

git-svn-id: http://svn.whatwg.org/webapps@7977 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 989bc10c394aa1eeecf3f82144000465495d3dec)
[giow] (2) Limit labels in e-mail addresses to 63 characters, not 255.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=21617
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7978 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 09493ccc38a6fe2f1a3b7924fdd22ccc0ddb76a7)
[giow] (3) Finally clean up how we scroll to the top of a document
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=15588
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7979 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 86fbb29c1cc2e0dc588626a76d03d24d41fa740e)

Closes W3C bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=18244