Kartikaya Gupta ff4a47d56e Bug 1443187 - Avoid crashing if a previously-uncomposited layer tree gets adopted. r=botond
MozReview-Commit-ID: FZYwS7IwdKq

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extra : rebase_source : ea7b093df17887af841cb4ccdd64d47a69c016ad
2018-03-07 16:41:44 -05:00
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