GitLab

Node::GetExecutionContext can return null after the document has been
shut down. Early return in SVGFEImageElement::FetchImageResource to
prevent a null dereference.

BUG=1125293

Change-Id: I130840104b61f072c3c2d3b4d067d6d0be0789c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2411394
Commit-Queue: Karan Bhatia <karandeepb@chromium.org>
Auto-Submit: Karan Bhatia <karandeepb@chromium.org>
Reviewed-by: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810775}