Remove TreatNullAs=NullString for HTMLInputElement

LayoutTests/fast/dom/element-attribute-js-null-expected.txt

Index: LayoutTests/fast/dom/element-attribute-js-null-expected.txt
diff --git a/LayoutTests/fast/dom/element-attribute-js-null-expected.txt b/LayoutTests/fast/dom/element-attribute-js-null-expected.txt
index bf974512bbe63b7905ea8ef1edefb9641b344b45..9748b0093bdba96e0174f9807f3777e08d23e858 100644
--- a/LayoutTests/fast/dom/element-attribute-js-null-expected.txt
+++ b/LayoutTests/fast/dom/element-attribute-js-null-expected.txt
@@ -142,15 +142,27 @@ TEST SUCCEEDED: The value was the string 'null' resolved as a URL. [tested HTMLI
 TEST SUCCEEDED: The value was the string 'null'. [tested HTMLImageElement.srcset]
 TEST SUCCEEDED: The value was the string 'null'. [tested HTMLImageElement.useMap]
 
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.accept]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.accept]
 TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.accessKey]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.align]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.alt]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.defaultValue]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.name]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.src]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.align]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.alt]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.autocomplete]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.defaultValue]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.dirName]
+TEST SUCCEEDED: The value was the string 'null' resolved as a URL. [tested HTMLInputElement.formAction]
+TEST SUCCEEDED: The value was the string 'application/x-www-form-urlencoded'. [tested HTMLInputElement.formEnctype]
+TEST SUCCEEDED: The value was the string 'get'. [tested HTMLInputElement.formMethod]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.formTarget]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.max]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.min]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.name]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.pattern]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.placeholder]
+TEST SUCCEEDED: The value was the string 'null' resolved as a URL. [tested HTMLInputElement.src]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.step]
 TEST SUCCEEDED: The value was the string 'text'. [tested HTMLInputElement.type]
-TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.useMap]
+TEST SUCCEEDED: The value was the string 'null'. [tested HTMLInputElement.useMap]
+
 TEST SUCCEEDED: The value was the empty string. [tested HTMLInputElement.value]
 
 TEST SUCCEEDED: The value was the string 'null'. [tested HTMLKeygenElement.challenge]