Sync the HTMLM*Element interfaces with the spec

Source/core/html/HTMLMarqueeElement.idl

Index: Source/core/html/HTMLMarqueeElement.idl
diff --git a/Source/core/html/HTMLMarqueeElement.idl b/Source/core/html/HTMLMarqueeElement.idl
index bc21290aa9184c77cbc2b6396f8fe574b23e8987..410331544198699f9510d9fc838195a5367fa0d7 100644
--- a/Source/core/html/HTMLMarqueeElement.idl
+++ b/Source/core/html/HTMLMarqueeElement.idl
@@ -17,30 +17,34 @@
  * Boston, MA 02110-1301, USA.
  */
 
-interface HTMLMarqueeElement : HTMLElement {
-    [ImplementedInPrivateScript] void start();
-    [ImplementedInPrivateScript] void stop();
+// https://html.spec.whatwg.org/#htmlmarqueeelement
 
+interface HTMLMarqueeElement : HTMLElement {
     [ImplementedInPrivateScript, Reflect] attribute DOMString behavior;
     [ImplementedInPrivateScript, Reflect] attribute DOMString bgColor;
     [ImplementedInPrivateScript, Reflect] attribute DOMString direction;
     [ImplementedInPrivateScript, Reflect] attribute DOMString height;
     [ImplementedInPrivateScript, Reflect] attribute unsigned long hspace;
     [ImplementedInPrivateScript] attribute long loop;
+    // FIXME: scrollAmount and scrollDelay should be unsigned long.
     [ImplementedInPrivateScript] attribute long scrollAmount;
     [ImplementedInPrivateScript] attribute long scrollDelay;
     [ImplementedInPrivateScript, Reflect] attribute boolean trueSpeed;
     [ImplementedInPrivateScript, Reflect] attribute unsigned long vspace;
     [ImplementedInPrivateScript, Reflect] attribute DOMString width;
 
-    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void createdCallback();
-    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void attachedCallback();
-    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void detachedCallback();
-    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void attributeChangedCallback(DOMString name, DOMString oldValue, DOMString newValue);
-
     // FIXME: Implement the following event handler attributes
     // https://bugs.webkit.org/show_bug.cgi?id=49788
     // attribute EventHandler onbounce;
     // attribute EventHandler onfinish;
     // attribute EventHandler onstart;
+
+    [ImplementedInPrivateScript] void start();
+    [ImplementedInPrivateScript] void stop();
+
+    // Private script APIs
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void createdCallback();
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void attachedCallback();
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void detachedCallback();
+    [ImplementedInPrivateScript, OnlyExposedToPrivateScript] void attributeChangedCallback(DOMString name, DOMString oldValue, DOMString newValue);
 };