Sync audio/video/text track-related interfaces with the specs

Source/core/html/track/TextTrackCue.idl

Index: Source/core/html/track/TextTrackCue.idl
diff --git a/Source/core/html/track/TextTrackCue.idl b/Source/core/html/track/TextTrackCue.idl
index 2feec71e72034fefe750d02aeb1ee7bbf3bea3d4..d10834b0effc963fc50cc21cbc8e3deb443d2178 100644
--- a/Source/core/html/track/TextTrackCue.idl
+++ b/Source/core/html/track/TextTrackCue.idl
@@ -23,18 +23,18 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#texttrackcue
+// https://html.spec.whatwg.org/#texttrackcue
 
 [
     SetWrapperReferenceFrom=owner,
 ] interface TextTrackCue : EventTarget {
     readonly attribute TextTrack? track;
 
-             attribute DOMString id;
-             attribute double startTime;
-             attribute double endTime;
-             attribute boolean pauseOnExit;
+    attribute DOMString id;
+    attribute double startTime;
+    attribute double endTime;
+    attribute boolean pauseOnExit;
 
-             attribute EventHandler onenter;
-             attribute EventHandler onexit;
+    attribute EventHandler onenter;
+    attribute EventHandler onexit;
 };