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Bug 1430951 - Avoid element name atomizing to improve performance of LookupCustomElementDefinition

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Since we are dealing with the element (nodeInfo->LocalName() and NameAtom() are the same value), we could use nodeInfo->NameAtom() instead.

Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-25 09:14:03 -05:00 • committed by Roy Tam
commit 57da7a1935
7 changed files with 16 additions and 11 deletions
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4
dom/base/nsNodeUtils.cpp
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@ -497,9 +497,11 @@ nsNodeUtils::CloneAndAdopt(nsINode *aNode, bool aClone, bool aDeep,
if (data || !extension.IsEmpty()) {
RefPtr<nsIAtom> typeAtom = extension.IsEmpty() ? tagAtom : NS_Atomize(extension);
cloneElem->SetCustomElementData(new CustomElementData(typeAtom));
MOZ_ASSERT(nodeInfo->NameAtom()->Equals(nodeInfo->LocalName()));
CustomElementDefinition* definition =
nsContentUtils::LookupCustomElementDefinition(nodeInfo->GetDocument(),
nodeInfo->LocalName(),
nodeInfo->NameAtom(),
nodeInfo->NamespaceID(),
typeAtom);
if (definition) {