Clean-up after Form Association Refactoring

third_party/WebKit/Source/core/html/HTMLOutputElementTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/HTMLOutputElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/DOMTokenList.h"
 #include "core/dom/Document.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 TEST(HTMLLinkElementSizesAttributeTest,
      setHTMLForProperty_updatesForAttribute) {
   Document* document = Document::create();
-  HTMLOutputElement* element =
-      HTMLOutputElement::create(*document, /* form: */ nullptr);
+  HTMLOutputElement* element = HTMLOutputElement::create(*document);
   EXPECT_EQ(nullAtom, element->getAttribute(HTMLNames::forAttr));
   element->htmlFor()->setValue("  strawberry ");
   EXPECT_EQ("  strawberry ", element->getAttribute(HTMLNames::forAttr));
 }
 
 TEST(HTMLOutputElementTest, setForAttribute_updatesHTMLForPropertyValue) {
   Document* document = Document::create();
-  HTMLOutputElement* element = HTMLOutputElement::create(*document, nullptr);
+  HTMLOutputElement* element = HTMLOutputElement::create(*document);
   DOMTokenList* forTokens = element->htmlFor();
   EXPECT_EQ(nullAtom, forTokens->value());
   element->setAttribute(HTMLNames::forAttr, "orange grape");
   EXPECT_EQ("orange grape", forTokens->value());
 }
 
 }  // namespace blink