Remove support for the keygen tag

third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt

Index: third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt
diff --git a/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt b/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt
index 5bab7fdfa13417abc411b45c07cea0e05e2e6450..1ac5f03ea3b6adc36281a4943d7f3ca2667fa7c0 100644
--- a/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt
+++ b/third_party/WebKit/LayoutTests/fast/forms/fieldset/fieldset-elements-expected.txt
@@ -1,10 +1,9 @@
-CONSOLE WARNING: line 14: The <keygen> element is deprecated and will be removed in M57, around March 2017. See https://www.chromestatus.com/features/5716060992962560 for more details.
 This test the elements attibute of HTMLFieldSet element.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS owner.elements.length is 24
+PASS owner.elements.length is 23
 PASS owner.elements[0].id is 'button1'
 PASS owner.elements[1].id is 'fieldset1'
 PASS owner.elements[2].id is 'inputhidden'
@@ -24,27 +23,26 @@ PASS owner.elements[15].id is 'inputsubmit'
 PASS owner.elements[16].id is 'inputimage'
 PASS owner.elements[17].id is 'inputreset'
 PASS owner.elements[18].id is 'inputbutton'
-PASS owner.elements[19].id is 'keygen1'
-PASS owner.elements[20].id is 'object1'
-PASS owner.elements[21].id is 'output1'
-PASS owner.elements[22].id is 'select1'
-PASS owner.elements[23].id is 'textarea1'
+PASS owner.elements[19].id is 'object1'
+PASS owner.elements[20].id is 'output1'
+PASS owner.elements[21].id is 'select1'
+PASS owner.elements[22].id is 'textarea1'
 
 Check elements array is updated after adding a new element
-PASS owner.appendChild(newElement); owner.elements.length is 25
+PASS owner.appendChild(newElement); owner.elements.length is 24
 
 Check elements array is updated after remove an element
-PASS owner.removeChild(newElement); owner.elements.length is 24
+PASS owner.removeChild(newElement); owner.elements.length is 23
 
 Check owner.elements is not updated by changing input type to image
-PASS document.getElementById("inputfile").type="image"; owner.elements.length is 24
+PASS document.getElementById("inputfile").type="image"; owner.elements.length is 23
 
 Check owner.elements is updated properly after removing from parent
 PASS form.appendChild(newElement); form.elements.length is 1
 PASS form.removeChild(newElement); form.elements.length is 0
-PASS owner.elements.length is 24
-PASS owner.appendChild(newElement); owner.elements.length is 25
-PASS owner.removeChild(newElement); owner.elements.length is 24
+PASS owner.elements.length is 23
+PASS owner.appendChild(newElement); owner.elements.length is 24
+PASS owner.removeChild(newElement); owner.elements.length is 23
 PASS successfullyParsed is true
 
 TEST COMPLETE