Sync some event interfaces with the HTML spec

Source/core/events/HashChangeEvent.idl

Index: Source/core/events/HashChangeEvent.idl
diff --git a/Source/core/events/HashChangeEvent.idl b/Source/core/events/HashChangeEvent.idl
index 3a04bf5a5101f2e427d13cb8b49b6108cc1c94d4..663fd57d85d10e5a357b9fc23db4e6b42ea16b52 100644
--- a/Source/core/events/HashChangeEvent.idl
+++ b/Source/core/events/HashChangeEvent.idl
@@ -17,16 +17,20 @@
  * Boston, MA 02110-1301, USA.
  */
 
-// https://html.spec.whatwg.org/multipage/browsers.html#hashchangeevent
+// https://html.spec.whatwg.org/multipage/browsers.html#the-hashchangeevent-interface
+
 [
     Constructor(DOMString type, optional HashChangeEventInit eventInitDict),
+    // TODO(philipj): Exposed=(Window,Worker)
 ] interface HashChangeEvent : Event {
-    void initHashChangeEvent([Default=Undefined] optional DOMString type,
-                             [Default=Undefined] optional boolean canBubble,
-                             [Default=Undefined] optional boolean cancelable,
-                             [Default=Undefined] optional DOMString oldURL,
-                             [Default=Undefined] optional DOMString newURL);
     readonly attribute DOMString oldURL;
     readonly attribute DOMString newURL;
-};
 
+    // TODO(philipj): initHashChangeEvent() has been removed from the spec:
+    // https://html5.org/r/6551
+    [Measure] void initHashChangeEvent([Default=Undefined] optional DOMString type,
+                                       [Default=Undefined] optional boolean canBubble,
+                                       [Default=Undefined] optional boolean cancelable,
+                                       [Default=Undefined] optional DOMString oldURL,
+                                       [Default=Undefined] optional DOMString newURL);
+};