[bindings] Remove XMLHttpRequest CustomConstructor

Source/core/xmlhttprequest/XMLHttpRequest.idl

Index: Source/core/xmlhttprequest/XMLHttpRequest.idl
diff --git a/Source/core/xmlhttprequest/XMLHttpRequest.idl b/Source/core/xmlhttprequest/XMLHttpRequest.idl
index a81de73379cf71ca0289d8ab38aae83656434bc3..9553634830561ced5f58d4f296bd4a16c3ca8d1c 100644
--- a/Source/core/xmlhttprequest/XMLHttpRequest.idl
+++ b/Source/core/xmlhttprequest/XMLHttpRequest.idl
@@ -26,6 +26,8 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// https://xhr.spec.whatwg.org/#interface-xmlhttprequest
+
 enum XMLHttpRequestResponseType {
     "",
     "arraybuffer",
@@ -40,7 +42,8 @@ enum XMLHttpRequestResponseType {
 [
     WillBeGarbageCollected,
     ActiveDOMObject,
-    CustomConstructor(optional XMLHttpRequestOptions options),
+    Constructor,
+    ConstructorCallWith=ScriptState,
     Exposed=(Window,DedicatedWorker,SharedWorker)
 ] interface XMLHttpRequest : XMLHttpRequestEventTarget {
     // event handler attributes