tree 1883255ec29b390a35d91b5ee4dc3b087fa06bc2
parent 1a45ce380ec6776ac100017c68a4b8643983d2db
author Ryan Harrison <rharrison@chromium.org> 1507227243 -0400
committer Chromium commit bot <commit-bot@chromium.org> 1507228915 +0000

Add ObservedPtr to catch Widget being killed by JS

Another case of a call causing JS to run, which can remove a widget
that is called later.

BUG=chromium:771979

Change-Id: I5f25a38097662b70cfb777f76f0e3d50e7c11b1b
Reviewed-on: https://pdfium-review.googlesource.com/15610
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>