Bug 1399787 - Part 13. Handle AbortDocument. r=jwatt
While aborting conversion, we need to make sure there is no coversion task
executing in the PDFium process before destroying it.
MozReview-Commit-ID: 3Iqhe8KmYv2
^\.servo
^\.cargo
^\.servobuild
^target/
^ports/android/bin
^ports/android/libs
^ports/android/local.properties
^ports/android/obj
^python/_virtualenv
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# Editors
# IntelliJ
\.idea
\.iws$
# VSCode
\.vscode