[Webkit-unassigned] [Bug 237546] New: skip scheduling lazy UA shadow tree creation if already created or not needed
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Mar 7 12:17:48 PST 2022
https://bugs.webkit.org/show_bug.cgi?id=237546
Bug ID: 237546
Summary: skip scheduling lazy UA shadow tree creation if
already created or not needed
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Forms
Assignee: webkit-unassigned at lists.webkit.org
Reporter: heycam at apple.com
CC: cdumez at apple.com, wenson_hsieh at apple.com
Bug 236747 made <input> element UA shadow trees get created lazily. HTMLInputElement::insertedIntoAncestor now schedules the UA shadow tree to be created the next time style is flushed. We currently do this every time an <input> element is inserted into the document, but there's only a need to do this if the particular input type needs a shadow tree and we haven't already created it.
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