Cleaning up some DOM APIs which were marked as deprecated because they were moved or renamed.

tools/dom/dom.json

 {
   "AbstractWorker": {
     "comment": "http://www.w3.org/TR/workers/#the-abstractworker-abstract-interface",
     "members": {
       "addEventListener": {},
       "dispatchEvent": {},
       "onerror": {},
       "removeEventListener": {}
     },
     "support_level": "stable"
@@ skipping 2336 matching lines @@
         "support_level": "experimental"
       },
       "ontouchmove": {
         "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
         "support_level": "experimental"
       },
       "ontouchstart": {
         "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
         "support_level": "experimental"
       },
+      "ontransitionend": {},
       "onwebkitTransitionEnd": {
         "support_level": "deprecated"
       },
       "onwebkitfullscreenchange": {
         "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
         "support_level": "experimental"
       },
       "onwebkitfullscreenerror": {
         "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
         "support_level": "experimental"
@@ skipping 9407 matching lines @@
       "importStylesheet": {},
       "removeParameter": {},
       "reset": {},
       "setParameter": {},
       "transformToDocument": {},
       "transformToFragment": {}
     },
     "support_level": "nonstandard"
   }
 }