Update status for failing Dartium DOM custom tag extension tests.

tests/co19/co19-dartium.status

Index: tests/co19/co19-dartium.status
diff --git a/tests/co19/co19-dartium.status b/tests/co19/co19-dartium.status
index 97a9853c8c1b57d82a2cd531c86b8e2224c51627..546f5fe97ebaeffd2ef15d4a5b564e0aa0040c3e 100644
--- a/tests/co19/co19-dartium.status
+++ b/tests/co19/co19-dartium.status
@@ -208,7 +208,6 @@ LibTest/html/Element/replaceWith_A01_t02: RuntimeError # co19-roll r706.  Please
 LibTest/html/HttpRequest/responseType_A01_t01: RuntimeError # co19-roll r706.  Please triage this failure.
 LibTest/html/HttpRequest/responseType_A01_t03: RuntimeError # co19-roll r706.  Please triage this failure.
 LibTest/html/HttpRequest/statusText_A01_t01: RuntimeError # co19-roll r706.  Please triage this failure.
-LibTest/html/IFrameElement/IFrameElement.created_A01_t01: RuntimeError # co19-roll r706.  Please triage this failure.
 LibTest/html/IFrameElement/appendHtml_A01_t01: RuntimeError # Issue 23462
 LibTest/html/IFrameElement/appendHtml_A01_t02: RuntimeError # Issue 23462
 LibTest/html/IFrameElement/attributeChanged_A01_t01: RuntimeError # co19-roll r706.  Please triage this failure.
@@ -392,6 +391,7 @@ LayoutTests/fast/dom/blur-contenteditable_t01: RuntimeError, Pass # co19-roll r7
 LayoutTests/fast/dom/characterdata-api-arguments_t01: RuntimeError # co19-roll r738: Please triage this failure.
 LayoutTests/fast/dom/client-width-height-quirks_t01: RuntimeError # co19-roll r738: Please triage this failure.
 LayoutTests/fast/dom/custom/document-register-svg-extends_t01: RuntimeError # co19-roll r738: Please triage this failure.
+LayoutTests/fast/dom/custom/document-register-type-extensions_t01: RuntimeError # Issue 24516
 LayoutTests/fast/dom/dataset-xhtml_t01: RuntimeError # co19-roll r738: Please triage this failure.
 LayoutTests/fast/dom/dataset_t01: RuntimeError # co19-roll r738: Please triage this failure.
 LayoutTests/fast/dom/focus-contenteditable_t01: RuntimeError, Pass # co19-roll r738: Please triage this failure.