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846d8789ee
Various places in dom/ use the pattern: already_AddRefed<NodeInfo> ni = ...; which is supposed to be disallowed by our static analysis code, but isn't, for whatever reason. To fix our static analysis code, we need to eliminate instances of the above pattern. Unfortunately, eliminating this pattern requires restructuring how Nodes are created. Most Node subclasses take `already_AddRefed<NodeInfo>&` in their constructors, and a few accept `already_AddRefed<NodeInfo>&&`. We need to enforce the latter pattern consistently, which requires changing dozens of source files.
249 lines
6.7 KiB
C++
249 lines
6.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/SVGStyleElement.h"
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#include "nsContentUtils.h"
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#include "mozilla/dom/SVGStyleElementBinding.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Style)
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namespace mozilla {
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namespace dom {
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JSObject*
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SVGStyleElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return SVGStyleElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(SVGStyleElement,
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SVGStyleElementBase,
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nsIStyleSheetLinkingElement,
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nsIMutationObserver)
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NS_IMPL_CYCLE_COLLECTION_CLASS(SVGStyleElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(SVGStyleElement,
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SVGStyleElementBase)
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tmp->nsStyleLinkElement::Traverse(cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(SVGStyleElement,
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SVGStyleElementBase)
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tmp->nsStyleLinkElement::Unlink();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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//----------------------------------------------------------------------
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// Implementation
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SVGStyleElement::SVGStyleElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: SVGStyleElementBase(std::move(aNodeInfo))
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{
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AddMutationObserver(this);
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}
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SVGStyleElement::~SVGStyleElement()
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{
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}
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//----------------------------------------------------------------------
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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGStyleElement)
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//----------------------------------------------------------------------
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// nsIContent methods
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nsresult
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SVGStyleElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent)
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{
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nsresult rv = SVGStyleElementBase::BindToTree(aDocument, aParent,
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aBindingParent);
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NS_ENSURE_SUCCESS(rv, rv);
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void (SVGStyleElement::*update)() = &SVGStyleElement::UpdateStyleSheetInternal;
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nsContentUtils::AddScriptRunner(
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NewRunnableMethod("dom::SVGStyleElement::BindToTree", this, update));
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return rv;
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}
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void
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SVGStyleElement::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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nsCOMPtr<nsIDocument> oldDoc = GetUncomposedDoc();
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ShadowRoot* oldShadow = GetContainingShadow();
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SVGStyleElementBase::UnbindFromTree(aDeep, aNullParent);
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Unused << UpdateStyleSheetInternal(oldDoc, oldShadow);
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}
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nsresult
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SVGStyleElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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bool aNotify)
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{
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if (aNameSpaceID == kNameSpaceID_None) {
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if (aName == nsGkAtoms::title ||
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aName == nsGkAtoms::media ||
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aName == nsGkAtoms::type) {
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Unused << UpdateStyleSheetInternal(nullptr, nullptr, ForceUpdate::Yes);
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}
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}
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return SVGStyleElementBase::AfterSetAttr(aNameSpaceID, aName, aValue,
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aOldValue, aMaybeScriptedPrincipal,
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aNotify);
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}
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bool
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SVGStyleElement::ParseAttribute(int32_t aNamespaceID,
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nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult)
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{
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if (aNamespaceID == kNameSpaceID_None &&
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aAttribute == nsGkAtoms::crossorigin) {
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ParseCORSValue(aValue, aResult);
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return true;
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}
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return SVGStyleElementBase::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aMaybeScriptedPrincipal, aResult);
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}
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//----------------------------------------------------------------------
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// nsIMutationObserver methods
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void
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SVGStyleElement::CharacterDataChanged(nsIContent* aContent,
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const CharacterDataChangeInfo&)
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{
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ContentChanged(aContent);
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}
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void
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SVGStyleElement::ContentAppended(nsIContent* aFirstNewContent)
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{
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ContentChanged(aFirstNewContent->GetParent());
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}
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void
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SVGStyleElement::ContentInserted(nsIContent* aChild)
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{
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ContentChanged(aChild);
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}
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void
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SVGStyleElement::ContentRemoved(nsIContent* aChild,
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nsIContent* aPreviousSibling)
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{
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ContentChanged(aChild);
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}
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void
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SVGStyleElement::ContentChanged(nsIContent* aContent)
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{
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if (nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
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Unused << UpdateStyleSheetInternal(nullptr, nullptr);
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}
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}
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//----------------------------------------------------------------------
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void
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SVGStyleElement::GetXmlspace(nsAString & aXmlspace)
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{
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GetAttr(kNameSpaceID_XML, nsGkAtoms::space, aXmlspace);
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}
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void
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SVGStyleElement::SetXmlspace(const nsAString & aXmlspace, ErrorResult& rv)
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{
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rv = SetAttr(kNameSpaceID_XML, nsGkAtoms::space, aXmlspace, true);
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}
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void
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SVGStyleElement::GetMedia(nsAString & aMedia)
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{
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GetAttr(nsGkAtoms::media, aMedia);
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}
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void
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SVGStyleElement::SetMedia(const nsAString& aMedia, ErrorResult& rv)
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{
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SetAttr(nsGkAtoms::media, aMedia, rv);
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}
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void
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SVGStyleElement::GetType(nsAString & aType)
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{
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GetAttr(nsGkAtoms::type, aType);
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}
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void
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SVGStyleElement::SetType(const nsAString& aType, ErrorResult& rv)
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{
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SetAttr(nsGkAtoms::type, aType, rv);
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}
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void
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SVGStyleElement::GetTitle(nsAString & aTitle)
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{
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GetAttr(nsGkAtoms::title, aTitle);
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}
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void
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SVGStyleElement::SetTitle(const nsAString& aTitle, ErrorResult& rv)
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{
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SetAttr(nsGkAtoms::title, aTitle, rv);
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}
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//----------------------------------------------------------------------
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// nsStyleLinkElement methods
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Maybe<nsStyleLinkElement::SheetInfo>
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SVGStyleElement::GetStyleSheetInfo()
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{
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if (!IsCSSMimeTypeAttribute(*this)) {
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return Nothing();
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}
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nsAutoString title;
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nsAutoString media;
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GetTitleAndMediaForElement(*this, title, media);
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return Some(SheetInfo {
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*OwnerDoc(),
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this,
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nullptr,
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// FIXME(bug 1459822): Why doesn't this need a principal, but
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// HTMLStyleElement does?
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nullptr,
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net::ReferrerPolicy::RP_Unset,
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// FIXME(bug 1459822): Why does this need a crossorigin attribute, but
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// HTMLStyleElement doesn't?
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AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin)),
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title,
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media,
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HasAlternateRel::No,
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IsInline::Yes,
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});
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}
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} // namespace dom
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} // namespace mozilla
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