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Defer certain accessibility callbacks until after layout is finished. https://bugs.webkit.org/show_bug.cgi?id=165861 rdar://problem/29646301 Reviewed by Chris Fleizach. Source/WebCore: Currently with certain AXObjectCache callbacks, we can end up in a layout while the render tree is being mutated. This patch ensures that such callbacks are deferred until after tree mutation/layout is finished. Test: accessibility/accessibility-crash-with-dynamic-inline-content.html * accessibility/AXObjectCache.cpp: (WebCore::AXObjectCache::remove): (WebCore::AXObjectCache::performDeferredIsIgnoredChange): (WebCore::AXObjectCache::insertDeferredIsIgnoredChange): * accessibility/AXObjectCache.h: * page/FrameView.cpp: (WebCore::FrameView::performPostLayoutTasks): * rendering/RenderBlock.cpp: (WebCore::RenderBlock::deleteLines): * rendering/RenderBlockLineLayout.cpp: (WebCore::RenderBlockFlow::createAndAppendRootInlineBox): LayoutTests: * accessibility/accessibility-crash-with-dynamic-inline-content-expected.txt: Added. * accessibility/accessibility-crash-with-dynamic-inline-content.html: Added. Canonical link: https://commits.webkit.org/183558@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@209926 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2016-12-16 18:48:31 +00:00
PASS if no crash or assert. foo
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