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LibWeb: Use correct scope when removing style sheet inside a shadow tree

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Before this change, removing a style element from inside a shadow tree
would cause it to be unregistered with the document-level list of sheets
instead of the shadow-root-level list.

This would eventually lead to a verification failure if someone tried to
update the text contents of that style element, since it was still in
the shadow-root-level list, but now with a null owner element.

Fixes a crash on https://www.swedbank.se/
This commit is contained in:
Andreas Kling 2024-07-23 09:53:32 +02:00 • committed by Andreas Kling
parent ebacb921da
commit 3b7534b362
Notes: github-actions[bot] 2024-07-23 09:13:10 +00:00
6 changed files with 45 additions and 5 deletions
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2
Userland/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
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@ -46,7 +46,7 @@ void HTMLStyleElement::inserted()
void HTMLStyleElement::removed_from(Node* old_parent)
{
m_style_element_utils.update_a_style_block(*this);
m_style_element_utils.update_a_style_block(*this, old_parent);
Base::removed_from(old_parent);
}