зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1671503 - Handle documents from iframes that haven't changed remoteness yet correctly. r=nordzilla
See the comment. A bit racy, but some of the time crashtest crashes without the patch. Null-check is just paranoia. Differential Revision: https://phabricator.services.mozilla.com/D93756
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09c912b47a
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@ -0,0 +1,12 @@
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<html class="reftest-wait">
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<script>
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document.addEventListener("DOMContentLoaded", () => {
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window.requestIdleCallback(() => {
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SpecialPowers.wrap(window).printPreview()?.close()
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SpecialPowers.wrap(window).printPreview()?.close()
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document.documentElement.className = "";
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})
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})
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</script>
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<iframe src='data:text/html,foo'></iframe>
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</html>
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@ -3,3 +3,4 @@ load 509839-2.html
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load 576878.xhtml
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asserts-if(Android,0-1) load 793844.html
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load 1662259.html
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load 1671503.html
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@ -281,7 +281,13 @@ static void BuildNestedPrintObjects(const UniquePtr<nsPrintObject>& aParentPO,
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RefPtr<Document> doc = docShell->GetDocument();
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MOZ_DIAGNOSTIC_ASSERT(doc);
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MOZ_DIAGNOSTIC_ASSERT(doc->IsStaticDocument());
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// We might find non-static documents here if the fission remoteness change
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// hasn't happened / finished yet. In that case, just skip them, the same
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// way we do for remote frames above.
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MOZ_DIAGNOSTIC_ASSERT(doc->IsStaticDocument() || doc->IsInitialDocument());
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if (!doc || !doc->IsStaticDocument()) {
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continue;
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}
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auto childPO = MakeUnique<nsPrintObject>();
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nsresult rv = childPO->InitAsNestedObject(docShell, doc, aParentPO.get());
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