Exposing a number of new events.

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 3511 matching lines @@
       "namedItem": {}
     },
     "support_level": "stable"
   },
   "HTMLFormElement": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#the-form-element",
     "members": {
       "HTMLFormElement": {},
       "acceptCharset": {},
       "action": {},
-      "autocomplete": {},
+      "autocomplete": {
+        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#autofilling-form-controls:-the-autocomplete-attribute",
+        "support_level": "experimental"
+      },
       "checkValidity": {},
       "elements": {},
       "encoding": {},
       "enctype": {},
       "length": {},
       "method": {},
       "name": {},
       "noValidate": {},
       "onautocomplete": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#autofilling-form-controls:-the-autocomplete-attribute",
@@ skipping 1777 matching lines @@
       },
       "id": {
         "support_level": "untriaged"
       },
       "manufacturer": {
         "support_level": "untriaged"
       },
       "name": {
         "support_level": "untriaged"
       },
+      "ondisconnect": {
+        "support_level": "untriaged"
+      },
       "removeEventListener": {
         "support_level": "untriaged"
       },
       "type": {
         "support_level": "untriaged"
       },
       "version": {
         "support_level": "untriaged"
       }
     },
@@ skipping 4830 matching lines @@
       }
     },
     "support_level": "untriaged"
   },
   "SpeechSynthesisUtterance": {
     "members": {
       "SpeechSynthesisUtterance": {},
       "lang": {
         "support_level": "untriaged"
       },
+      "onboundary": {
+        "support_level": "untriaged"
+      },
+      "onend": {
+        "support_level": "untriaged"
+      },
       "onerror": {
         "support_level": "untriaged"
       },
+      "onmark": {
+        "support_level": "untriaged"
+      },
       "onpause": {
         "support_level": "untriaged"
       },
+      "onresume": {
+        "support_level": "untriaged"
+      },
+      "onstart": {
+        "support_level": "untriaged"
+      },
       "pitch": {
         "support_level": "untriaged"
       },
       "rate": {
         "support_level": "untriaged"
       },
       "text": {
         "support_level": "untriaged"
       },
       "voice": {
@@ skipping 1577 matching lines @@
       "importStylesheet": {},
       "removeParameter": {},
       "reset": {},
       "setParameter": {},
       "transformToDocument": {},
       "transformToFragment": {}
     },
     "support_level": "nonstandard"
   }
 }