Bug 953153 - Australis: download button width changes when pressed, r=jaws

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extra : rebase_source : aa94a3d67bdb3a6e1537b6881a02b67c71628acd
Bug 952963 - areaType getter in widget wrapper shouldn't assume area exists, r=jaws

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extra : rebase_source : adf2bb0d616b9ad92d88854a903f1b9de33661bb
Backed out changeset 4bc1cf097ca1 (bug 952963)
Bug 952963 - Australis: areaType getter in widget wrapper shouldn't assume area exists, r=jaws
Fixing commit msg; DONTBUILD, identical to 4bc1cf097ca1