cku abdaa5d307 Bug 1309646 - Part 3. Use nsChangeHint_UpdateBackgroundPosition in position mask. r=mstange
MozReview-Commit-ID: CeLPAN8OdhF

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extra : rebase_source : cdd4808fe3b42a4cf6e610c8f106732744afe330
2016-10-13 18:35:35 +08:00
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2016-10-07 23:22:46 -04:00