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Bug 1340885 - Null check frame's content when searching for NAC ancestors in GetCorrectedParent

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-16 16:42:26 -04:00 • committed by Roy Tam
commit e5725baa34
1 changed files with 2 additions and 1 deletions
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3
layout/generic/nsFrame.cpp
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@ -8949,7 +8949,8 @@ GetCorrectedParent(const nsIFrame* aFrame)
// box, or a non-NAC-backed pseudo like ::first-line) that does not match the
// one that the NAC implements, if any.
nsIContent* content = aFrame->GetContent();
Element* element = content->IsElement() ? content->AsElement() : nullptr;
Element* element =
content && content->IsElement() ? content->AsElement() : nullptr;
if (element && element->IsNativeAnonymous() &&
element->GetPseudoElementType() == aFrame->StyleContext()->GetPseudoType()) {
while (parent->GetContent() && parent->GetContent()->IsNativeAnonymous()) {