Drop LABEL element from form-associated elements.

third_party/WebKit/LayoutTests/fast/forms/form-attribute.html

Index: third_party/WebKit/LayoutTests/fast/forms/form-attribute.html
diff --git a/third_party/WebKit/LayoutTests/fast/forms/form-attribute.html b/third_party/WebKit/LayoutTests/fast/forms/form-attribute.html
index cfe8bc142c0deae895f8478db3da96e2b055bdbb..d9fb65ad6b900e05d7ca3dc5c7de5e9e5bcf0afa 100644
--- a/third_party/WebKit/LayoutTests/fast/forms/form-attribute.html
+++ b/third_party/WebKit/LayoutTests/fast/forms/form-attribute.html
@@ -18,7 +18,7 @@ container.innerHTML = '<form id=owner></form>' +
     '<fieldset name=victim form=owner />' +
     '<input name=victim form=owner />' +
     '<keygen name=victim form=owner />' +
-    '<label name=victim form=owner />' +
+    '<label name=victim form=owner></label>' +
     '<object name=victim form=owner></object>' +
     '<output name=victim form=owner />' +
     '<select name=victim form=owner />' +
@@ -29,7 +29,7 @@ shouldBe('document.getElementsByTagName("button")[0].form', 'owner');
 shouldBe('document.getElementsByTagName("fieldset")[0].form', 'owner');
 shouldBe('document.getElementsByTagName("input")[0].form', 'owner');
 shouldBe('document.getElementsByTagName("keygen")[0].form', 'owner');
-shouldBe('document.getElementsByTagName("label")[0].form', 'owner');
+shouldBeNull('document.getElementsByTagName("label")[0].form');
 shouldBe('document.getElementsByTagName("object")[0].form', 'owner');
 shouldBe('document.getElementsByTagName("output")[0].form', 'owner');
 shouldBe('document.getElementsByTagName("select")[0].form', 'owner');
@@ -40,7 +40,7 @@ debug('- Ensures that the form attribute points the form owner even if the eleme
 container.innerHTML = '<form id=owner></form>' +
     '<form id=shouldNotBeOwner>' +
     '    <input id=inputElement name=victim form=owner />' +
-    '    <label id=labelElement name=victim form=owner />' +
+    '    <label id=labelElement name=victim for=inputElement />' +
     '</form>';
 owner = document.getElementById('owner');
 var inputElement = document.getElementById('inputElement');
@@ -69,9 +69,9 @@ var labelElement3 = document.getElementById('labelElement3');
 shouldBe('inputElement1.form', 'owner');
 shouldBe('inputElement2.form', 'owner');
 shouldBe('inputElement3.form', 'owner');
-shouldBe('labelElement1.form', 'owner');
-shouldBe('labelElement2.form', 'owner');
-shouldBe('labelElement3.form', 'owner');
+shouldBeNull('labelElement1.form');
+shouldBeNull('labelElement2.form');
+shouldBeNull('labelElement3.form');
 
 debug('');
 debug('- Ensures that the form attribute points the form owner even if the form element is nested another form element.');
@@ -96,16 +96,15 @@ labelElement3 = document.getElementById('labelElement3');
 shouldBe('inputElement1.form', 'owner');
 shouldBe('inputElement2.form', 'owner');
 shouldBe('inputElement3.form', 'owner');
-shouldBe('labelElement1.form', 'owner');
-shouldBe('labelElement2.form', 'owner');
-shouldBe('labelElement3.form', 'owner');
+shouldBeNull('labelElement1.form');
+shouldBeNull('labelElement2.form');
+shouldBeNull('labelElement3.form');
 
 debug('');
 debug('- Ensures whether the form owner is set correctly when the value of form attribute of a form-associated element changed.');
 container.innerHTML = '<form id=form1></form>' +
     '<form id=form2></form>' +
     '<input id=inputElement name=victim form=form1 />' +
-    '<label id=labelElement name=victim form=form1 />' +
     '<object id=objectElement name=victim form=form1></object>';
 var form1 = document.getElementById('form1');
 var form2 = document.getElementById('form2');
@@ -114,12 +113,6 @@ shouldBe('inputElement.form', 'form1');
 inputElement.attributes['form'].value = 'form2';
 shouldBe('inputElement.form', 'form2');
 
-// HTMLabelElement has its own implementation of formAttr processing and so needs its own test.
-labelElement = document.getElementById('labelElement');
-shouldBe('labelElement.form', 'form1');
-labelElement.attributes['form'].value = 'form2';
-shouldBe('labelElement.form', 'form2');
-
 // HTMLObjectElement has its own implementation of formAttr processing and so needs its own test.
 objectElement = document.getElementById('objectElement');
 shouldBe('objectElement.form', 'form1');
@@ -130,7 +123,6 @@ debug('');
 debug('- Ensures whether the form owner is set correctly when the value of form attribute is added/removed.');
 container.innerHTML = '<form id=owner name=firstOwner></form>' +
     '<input id=inputElement name=victim />' +
-    '<label id=labelElement name=victim />' +
     '<object id=objectElement name=victim></object>';
 owner = document.getElementById('owner');
 inputElement = document.getElementById('inputElement');
@@ -141,14 +133,6 @@ shouldBe('inputElement.form', 'owner');
 inputElement.removeAttribute('form');
 shouldBe('inputElement.form', 'null');
 
-// HTMLLabelElement has its own implementation of formAttr processing and so needs its own test.
-labelElement = document.getElementById('labelElement');
-shouldBe('labelElement.form', 'null');
-labelElement.setAttribute('form', 'owner');
-shouldBe('labelElement.form', 'owner');
-labelElement.removeAttribute('form');
-shouldBe('labelElement.form', 'null');
-
 // HTMLObjectElement has its own implementation of formAttr processing and so needs its own test.
 objectElement = document.getElementById('objectElement');
 shouldBe('objectElement.form', 'null');
@@ -161,23 +145,18 @@ debug('');
 debug('- Ensures whether the form owner is set correctly when the form owner is added/removed.');
 container.innerHTML = '<form id=owner name=firstOwner></form>' +
     '<form id=owner name=secondOwner></form>' +
-    '<input id=inputElement name=victim form=owner />' +
-    '<label id=labelElement name=victim form=owner />';
+    '<input id=inputElement name=victim form=owner />';
 owner = document.getElementById('owner');
 shouldBeEqualToString('owner.name', 'firstOwner');
 inputElement = document.getElementById('inputElement');
-labelElement = document.getElementById('labelElement');
 container.removeChild(owner);
 owner = document.getElementById('owner');
 shouldBeEqualToString('owner.name', 'secondOwner');
 shouldBe('inputElement.form', 'owner');
-shouldBe('labelElement.form', 'owner');
 container.removeChild(owner);
 shouldBe('inputElement.form', 'null');
-shouldBe('labelElement.form', 'null');
 container.appendChild(owner);
 shouldBe('inputElement.form', 'owner');
-shouldBe('labelElement.form', 'owner');
 
 debug('');
 debug('- Check if a form and a control are disassociated when they are removed from the document together.');