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Bug 1370700 part 1 - Use mAttributeCache.LookupRemoveIf() to avoid a second hashtable lookup for Remove(). r=froydnj

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MozReview-Commit-ID: CrIb6DcE1D7
This commit is contained in:
Mats Palmgren 2017-06-07 20:03:19 +02:00
parent e6ddf2c3c1
commit 6cdee8c35e
1 changed files with 5 additions and 8 deletions
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13
dom/base/nsDOMAttributeMap.cpp
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@ -118,14 +118,11 @@ void
nsDOMAttributeMap::DropAttribute(int32_t aNamespaceID, nsIAtom* aLocalName)
{
nsAttrKey attr(aNamespaceID, aLocalName);
Attr *node = mAttributeCache.GetWeak(attr);
if (node) {
// Break link to map
node->SetMap(nullptr);
// Remove from cache
mAttributeCache.Remove(attr);
}
mAttributeCache.LookupRemoveIf(attr,
[] (Attr* aNode) {
aNode->SetMap(nullptr); // break link to map
return true; // remove from cache
});
}
Attr*