Update status for failing Dartium DOM custom tag extension tests.

BUG=https://github.com/dart-lang/sdk/issues/24516
R=karlklose@google.com

Review URL: https://codereview.chromium.org/1388233003 .
diff --git a/tests/co19/co19-dartium.status b/tests/co19/co19-dartium.status
index 97a9853..546f5fe 100644
--- a/tests/co19/co19-dartium.status
+++ b/tests/co19/co19-dartium.status
@@ -208,7 +208,6 @@
 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/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.
diff --git a/tests/html/html.status b/tests/html/html.status
index 87ef221..557a657 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -13,6 +13,8 @@
 cross_domain_iframe_test: RuntimeError # Dartium JSInterop failure
 crypto_test/functional: RuntimeError # Dartium JSInterop failure
 custom/document_register_basic_test: RuntimeError # Dartium JSInterop failure
+custom/document_register_type_extensions_test/construction: RuntimeError # Issue 24516
+custom/document_register_type_extensions_test/parsing: RuntimeError # Issue 24516
 custom/document_register_type_extensions_test/registration: RuntimeError # Dartium JSInterop failure
 custom/element_upgrade_test: RuntimeError # Dartium JSInterop failure
 custom/js_custom_test: RuntimeError # Dartium JSInterop failure