Show reasons why nodes are ignored in accessibility sidebar

Source/modules/accessibility/AXScrollView.cpp

Index: Source/modules/accessibility/AXScrollView.cpp
diff --git a/Source/modules/accessibility/AXScrollView.cpp b/Source/modules/accessibility/AXScrollView.cpp
index cbadd2274faefe01931b113eb6401c589bce387b..fb5380922743fa4b5c1466bdec58edeca24b0565 100644
--- a/Source/modules/accessibility/AXScrollView.cpp
+++ b/Source/modules/accessibility/AXScrollView.cpp
@@ -144,7 +144,7 @@ void AXScrollView::clearChildren()
     m_horizontalScrollbar = nullptr;
 }
 
-bool AXScrollView::computeAccessibilityIsIgnored() const
+bool AXScrollView::computeAccessibilityIsIgnored(PassRefPtr<TypeBuilder::Array<TypeBuilder::Accessibility::AXProperty>> ignoredReasons) const
 {
     // We just want to match whatever's returned by our web area, which is a child of this
     // object. Normally cached attribute values may only search up the tree. We can't just
@@ -157,10 +157,13 @@ bool AXScrollView::computeAccessibilityIsIgnored() const
     m_lastModificationCount = axObjectCache()->modificationCount();
 
     AXObject* webArea = webAreaObject();
-    if (webArea)
-        return webArea->accessibilityIsIgnored();
+    if (!webArea)
+        return true;
+
+    if (ignoredReasons)
+        return webArea->computeAccessibilityIsIgnored(ignoredReasons);
 
-    return true;
+    return webArea->accessibilityIsIgnored();
 }
 
 void AXScrollView::addChildren()