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Bug 1377993 - Make node slots less memory hungry in common cases.

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Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-04 19:48:30 -05:00 • committed by Roy Tam
commit dd7fa403a8
9 changed files with 203 additions and 178 deletions
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9
dom/base/nsNodeUtils.cpp
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@ -301,9 +301,12 @@ nsNodeUtils::LastRelease(nsINode* aNode)
Element* elem = aNode->AsElement();
FragmentOrElement::nsDOMSlots* domSlots =
static_cast<FragmentOrElement::nsDOMSlots*>(slots);
for (auto iter = domSlots->mRegisteredIntersectionObservers.Iter(); !iter.Done(); iter.Next()) {
DOMIntersectionObserver* observer = iter.Key();
observer->UnlinkTarget(*elem);
if (domSlots->mExtendedSlots) {
for (auto iter = domSlots->mExtendedSlots->mRegisteredIntersectionObservers.Iter();
!iter.Done(); iter.Next()) {
DOMIntersectionObserver* observer = iter.Key();
observer->UnlinkTarget(*elem);
}
}
}