Andrew McCreight f69cf04a33 Bug 1419455, part 3 - Remove the unused return value for the upgrade() methods. r=kanru
Also ensure we're more consistent about having two blank lines after these methods.

MozReview-Commit-ID: 2SXXjDuMW4u

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extra : rebase_source : 05279ceab3aa32d1e577ea02ccd113180bb55792
2017-11-21 08:45:20 -08:00
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