Sync the IDL interfaces in core/frame/ with their many specs

Source/core/frame/WindowTimers.idl

Index: Source/core/frame/WindowTimers.idl
diff --git a/Source/core/frame/WindowTimers.idl b/Source/core/frame/WindowTimers.idl
index c6a72b6d91050c724cd52358d7d7bf5b52a6470e..0840392f0fd1bac9cc20eb2b9a1d0b0aa14ec569 100644
--- a/Source/core/frame/WindowTimers.idl
+++ b/Source/core/frame/WindowTimers.idl
@@ -25,12 +25,13 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#windowtimers
+// https://html.spec.whatwg.org/#timers
 
 [
     ImplementedAs=DOMWindowTimers,
     LegacyTreatAsPartialInterface,
     NoInterfaceObject, // Always used on target of 'implements'
+    Exposed=(Window,Worker),
 ] interface WindowTimers {
     // FIXME: would be clearer as a union type, like:
     // typedef (Function or DOMString) Handler