Remove support for the keygen tag

third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html

Index: third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html
diff --git a/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html b/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html
index a62f7b1e8ff5e8f4dc4f075d96eb3391993593b6..fe976ab0272f3e159148dfd631f8a33545dfe030 100644
--- a/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html
+++ b/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-form-collection-radionode-list.html
@@ -25,7 +25,6 @@
     <input id=inputcommon type=image>
     <input id=commoninput type=reset>
     <input id=inputcommon type=button value=buttonValue>
-    <keygen id=keygen1></keygen>
     <label id=label1></label>
     <meter id=meter1></meter>
     <object id=object1></object>
@@ -45,7 +44,7 @@ description("This test is for RadioNodeList specified at http://www.whatwg.org/s
 debug("");
 var owner = document.getElementById('fs');
 
-shouldBe('owner.elements.length', '23');
+shouldBe('owner.elements.length', '22');
 
 var elementsList = owner.elements;
 var radioNodeList = elementsList.namedItem("inputcommon");
@@ -80,7 +79,7 @@ newElement.setAttribute("id", "inputcommon");
 debug("");
 debug("Check RadioNodeList is updated after adding a new element");
 shouldBe('owner.appendChild(newElement); radioNodeList.length', '5');
-shouldBe('owner.elements.length', '24');
+shouldBe('owner.elements.length', '23');
 shouldBe('radioNodeList[4].value', "'new element'");
 
 debug("");