Revert "Revert "Revert "Fix dart2js type warnings"""

tools/dom/dom.json

Index: tools/dom/dom.json
diff --git a/tools/dom/dom.json b/tools/dom/dom.json
index e44439809253d84b71c2b04d45e36f10ab874b19..20aff36eb4378183a263b85e8ab24abbf4fc8d16 100644
--- a/tools/dom/dom.json
+++ b/tools/dom/dom.json
@@ -1646,9 +1646,6 @@
     "comment": "http://dom.spec.whatwg.org/#interface-document",
     "members": {
       "URL": {},
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
       "adoptNode": {},
       "anchors": {
         "dart_action": "suppress"
@@ -1735,9 +1732,6 @@
         "support_level": "nonstandard"
       },
       "defaultView": {},
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "doctype": {
         "dart_action": "suppress"
       },
@@ -1969,9 +1963,6 @@
       "querySelectorAll": {},
       "readyState": {},
       "referrer": {},
-      "removeEventListener": {
-        "support_level": "untriaged"
-      },
       "securityPolicy": {
         "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#idl-def-SecurityPolicy",
         "support_level": "experimental"
@@ -2136,9 +2127,6 @@
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
       "attributes": {},
       "blur": {},
       "childElementCount": {},
@@ -2177,9 +2165,6 @@
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "draggable": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
@@ -2450,9 +2435,6 @@
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
-      "removeEventListener": {
-        "support_level": "untriaged"
-      },
       "scrollByLines": {},
       "scrollByPages": {},
       "scrollHeight": {},
@@ -3172,12 +3154,6 @@
   },
   "GlobalEventHandlers": {
     "members": {
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "onabort": {
         "support_level": "untriaged"
       },
@@ -3333,9 +3309,6 @@
       },
       "onwaiting": {
         "support_level": "untriaged"
-      },
-      "removeEventListener": {
-        "support_level": "untriaged"
       }
     },
     "support_level": "untriaged"
@@ -3523,9 +3496,6 @@
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
       "background": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
         "dart_action": "suppress",
@@ -3536,9 +3506,6 @@
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "link": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
         "dart_action": "suppress",
@@ -3560,9 +3527,6 @@
       },
       "onstorage": {},
       "onunload": {},
-      "removeEventListener": {
-        "support_level": "untriaged"
-      },
       "text": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
         "dart_action": "suppress",
@@ -3783,16 +3747,10 @@
     "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
     "members": {
       "accessKey": {},
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
       "children": {},
       "click": {},
       "contentEditable": {},
       "dir": {},
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "draggable": {},
       "getInputContext": {
         "comment": "http://www.w3.org/TR/ime-api/#the-getinputcontext-method",
@@ -3980,9 +3938,6 @@
         "dart_action": "suppress",
         "support_level": "nonstandard"
       },
-      "removeEventListener": {
-        "support_level": "untriaged"
-      },
       "spellcheck": {
         "comment": "http://blog.whatwg.org/the-road-to-html-5-spellchecking",
         "dart_action": "experimental",
@@ -8311,15 +8266,9 @@
     "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGElement",
     "dart_action": "unstable",
     "members": {
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
       "className": {
         "support_level": "untriaged"
       },
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "getPresentationAttribute": {
         "support_level": "untriaged"
       },
@@ -8481,9 +8430,6 @@
         "support_level": "untriaged"
       },
       "ownerSVGElement": {},
-      "removeEventListener": {
-        "support_level": "untriaged"
-      },
       "style": {
         "support_level": "untriaged"
       },
@@ -13483,12 +13429,6 @@
   },
   "WindowEventHandlers": {
     "members": {
-      "addEventListener": {
-        "support_level": "untriaged"
-      },
-      "dispatchEvent": {
-        "support_level": "untriaged"
-      },
       "onbeforeunload": {
         "support_level": "untriaged"
       },
@@ -13515,9 +13455,6 @@
       },
       "onunload": {
         "support_level": "untriaged"
-      },
-      "removeEventListener": {
-        "support_level": "untriaged"
       }
     },
     "support_level": "untriaged"