Update script to fetch new WebCore IDL

third_party/WebCore/html/HTMLButtonElement.idl

Index: third_party/WebCore/html/HTMLButtonElement.idl
diff --git a/third_party/WebCore/html/HTMLButtonElement.idl b/third_party/WebCore/html/HTMLButtonElement.idl
new file mode 100644
index 0000000000000000000000000000000000000000..692fd612a1e661500df277fc8d37d873ff25d9e4
--- /dev/null
+++ b/third_party/WebCore/html/HTMLButtonElement.idl
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2006, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+module html {
+
+    interface HTMLButtonElement : HTMLElement {
+        attribute [Reflect] boolean autofocus;
+        attribute [Reflect] boolean disabled;
+        readonly attribute HTMLFormElement form;
+        attribute [Reflect, URL] DOMString formAction;
+        attribute [TreatNullAs=NullString] DOMString formEnctype;
+        attribute [TreatNullAs=NullString] DOMString formMethod;
+        attribute [Reflect] boolean formNoValidate;
+        attribute [Reflect] DOMString formTarget;
+        attribute [Reflect] DOMString name;
+        readonly attribute DOMString type;
+        attribute [Reflect] DOMString value;
+
+        readonly attribute boolean willValidate;
+        readonly attribute ValidityState validity;
+        readonly attribute DOMString validationMessage;
+        boolean checkValidity();
+        void setCustomValidity(in [TreatNullAs=NullString, TreatUndefinedAs=NullString] DOMString error);
+
+        readonly attribute NodeList labels;
+
+#if defined(LANGUAGE_OBJECTIVE_C) && LANGUAGE_OBJECTIVE_C
+        attribute [Reflect] DOMString accessKey;
+#endif
+
+#if defined(LANGUAGE_OBJECTIVE_C) && LANGUAGE_OBJECTIVE_C
+        void click();
+#endif
+    };
+}