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Issue #2736 - Part 8: Re-work <video> and <audio> src attribute.

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Use subject principal as triggering principal in <video>/<audio> "src"
attribute. We deviate from Mozilla here because we do not worry
about content isolation principals in Page Info.
This commit is contained in:
Moonchild 2025-04-29 21:28:50 +02:00 • committed by roytam1
commit b6bdce6f98
3 changed files with 13 additions and 4 deletions
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3
dom/html/HTMLMediaElement.cpp
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@ -3734,6 +3734,9 @@ HTMLMediaElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
if (aNameSpaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::src) {
mSrcMediaSource = nullptr;
mSrcAttrTriggeringPrincipal = nsContentUtils::GetAttrTriggeringPrincipal(
this, aValue ? aValue->GetStringValue() : EmptyString(),
aMaybeScriptedPrincipal);
if (aValue) {
nsString srcStr = aValue->GetStringValue();
nsCOMPtr<nsIURI> uri;