Regenerating DOM types from IDL roll.

tools/dom/dom.json

 {
   "ANGLEInstancedArrays": {
     "members": {
       "VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE": {
         "support_level": "untriaged"
       },
       "drawArraysInstancedANGLE": {
         "support_level": "untriaged"
       },
       "drawElementsInstancedANGLE": {
         "support_level": "untriaged"
       },
       "vertexAttribDivisorANGLE": {
         "support_level": "untriaged"
       }
     },
     "support_level": "untriaged"
   },
   "AbstractWorker": {
     "comment": "http://www.w3.org/TR/workers/#the-abstractworker-abstract-interface",
     "members": {
       "addEventListener": {},
       "dispatchEvent": {},
       "onerror": {},
       "removeEventListener": {}
     },
     "support_level": "stable"
   },
+  "AesCbcParams": {
+    "members": {
+      "iv": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
+  "AesKeyGenParams": {
+    "members": {
+      "length": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
+  "Algorithm": {
+    "members": {
+      "name": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "AnalyserNode": {
     "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AnalyserNode",
     "members": {
       "fftSize": {},
       "frequencyBinCount": {},
       "getByteFrequencyData": {},
       "getByteTimeDomainData": {},
       "getFloatFrequencyData": {},
       "maxDecibels": {},
       "minDecibels": {},
@@ skipping 62 matching lines @@
       "SCHEDULED_STATE": {},
       "UNSCHEDULED_STATE": {},
       "buffer": {},
       "gain": {},
       "loop": {},
       "loopEnd": {},
       "loopStart": {},
       "noteGrainOn": {},
       "noteOff": {},
       "noteOn": {},
+      "onended": {
+        "support_level": "untriaged"
+      },
       "playbackRate": {},
       "playbackState": {},
       "start": {},
       "stop": {}
     },
     "support_level": "experimental"
   },
   "AudioContext": {
     "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioContext-section",
     "members": {
@@ skipping 12 matching lines @@
       "createDynamicsCompressor": {},
       "createEmptyBuffer": {},
       "createGain": {},
       "createGainNode": {},
       "createJavaScriptNode": {},
       "createMediaElementSource": {},
       "createMediaStreamDestination": {},
       "createMediaStreamSource": {},
       "createOscillator": {},
       "createPanner": {},
+      "createPeriodicWave": {
+        "support_level": "untriaged"
+      },
       "createScriptProcessor": {},
       "createWaveShaper": {},
       "createWaveTable": {},
       "currentTime": {},
       "decodeAudioData": {},
       "destination": {},
       "listener": {},
       "oncomplete": {},
       "sampleRate": {},
       "startRendering": {}
@@ skipping 319 matching lines @@
         "comment": "http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface",
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
       "getPropertyPriority": {},
       "getPropertyValue": {},
       "item": {},
       "length": {},
       "parentRule": {},
       "removeProperty": {},
-      "setProperty": {}
+      "setProperty": {},
+      "var": {
+        "support_level": "untriaged"
+      }
     },
     "support_level": "stable"
   },
   "CSSStyleRule": {
     "comment": "http://dev.w3.org/csswg/cssom/#the-cssstylerule-interface",
     "members": {
       "selectorText": {},
       "style": {}
     },
     "support_level": "stable"
@@ skipping 48 matching lines @@
   },
   "CSSValueList": {
     "comment": "http://dev.w3.org/csswg/cssom/",
     "dart_action": "suppress",
     "members": {
       "item": {},
       "length": {}
     },
     "support_level": "deprecated"
   },
+  "CSSVariablesMap": {
+    "members": {
+      "clear": {
+        "support_level": "untriaged"
+      },
+      "delete": {
+        "support_level": "untriaged"
+      },
+      "get": {
+        "support_level": "untriaged"
+      },
+      "has": {
+        "support_level": "untriaged"
+      },
+      "set": {
+        "support_level": "untriaged"
+      },
+      "size": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "CSSViewportRule": {
     "members": {
       "style": {
         "support_level": "untriaged"
       }
     },
     "support_level": "untriaged"
   },
   "Canvas2DContextAttributes": {
     "comment": "http://wiki.whatwg.org/wiki/CanvasOpaque#Suggested_IDL",
@@ skipping 243 matching lines @@
     "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1728279322",
     "members": {
       "Comment": {}
     },
     "support_level": "stable"
   },
   "Composition": {
     "comment": "http://www.w3.org/TR/ime-api/#idl-def-Composition",
     "members": {
       "caret": {},
+      "selectionEnd": {
+        "support_level": "untriaged"
+      },
+      "selectionStart": {
+        "support_level": "untriaged"
+      },
       "text": {}
     },
     "support_level": "experimental"
   },
   "CompositionEvent": {
     "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-CompositionEvent",
     "members": {
       "data": {},
       "initCompositionEvent": {}
     },
@@ skipping 86 matching lines @@
   "Crypto": {
     "comment": "http://www.w3.org/TR/WebCryptoAPI/",
     "members": {
       "getRandomValues": {},
       "subtle": {
         "support_level": "untriaged"
       }
     },
     "support_level": "experimental"
   },
+  "CryptoOperation": {
+    "members": {
+      "abort": {
+        "support_level": "untriaged"
+      },
+      "algorithm": {
+        "support_level": "untriaged"
+      },
+      "finish": {
+        "support_level": "untriaged"
+      },
+      "process": {
+        "support_level": "untriaged"
+      },
+      "processByteBuffer": {
+        "support_level": "untriaged"
+      },
+      "processTypedData": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "CustomElementConstructor": {
     "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/index.html#dfn-custom-element-constructor-generation",
     "dart_action": "suppress",
     "members": {},
     "support_level": "experimental"
   },
   "CustomEvent": {
     "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#interface-CustomEvent",
     "members": {
       "detail": {},
@@ skipping 306 matching lines @@
     "support_level": "deprecated"
   },
   "DedicatedWorkerContext": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html",
     "members": {
       "onmessage": {},
       "postMessage": {}
     },
     "support_level": "experimental"
   },
+  "DedicatedWorkerGlobalScope": {
+    "members": {
+      "onmessage": {
+        "support_level": "untriaged"
+      },
+      "postMessage": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "DelayNode": {
     "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#DelayNode",
     "members": {
       "delayTime": {}
     },
     "support_level": "experimental"
   },
   "DeviceAcceleration": {
     "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
     "members": {
@@ skipping 235 matching lines @@
       "onfocus": {},
       "oninput": {},
       "oninvalid": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/section-index.html#attributes-1"
       },
       "onkeydown": {},
       "onkeypress": {},
       "onkeyup": {},
       "onload": {},
       "onmousedown": {},
+      "onmouseenter": {
+        "support_level": "untriaged"
+      },
+      "onmouseleave": {
+        "support_level": "untriaged"
+      },
       "onmousemove": {},
       "onmouseout": {},
       "onmouseover": {},
       "onmouseup": {},
       "onmousewheel": {},
       "onpaste": {},
       "onreadystatechange": {},
       "onreset": {},
       "onscroll": {},
       "onsearch": {
@@ skipping 235 matching lines @@
       },
       "clientHeight": {},
       "clientLeft": {},
       "clientTop": {},
       "clientWidth": {},
       "contentEditable": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
+      "createShadowRoot": {
+        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
+        "support_level": "experimental"
+      },
       "dataset": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#dom-dataset"
       },
       "dir": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
       "draggable": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
@@ skipping 82 matching lines @@
       "onfocus": {},
       "oninput": {},
       "oninvalid": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/section-index.html#attributes-1"
       },
       "onkeydown": {},
       "onkeypress": {},
       "onkeyup": {},
       "onload": {},
       "onmousedown": {},
+      "onmouseenter": {
+        "support_level": "untriaged"
+      },
+      "onmouseleave": {
+        "support_level": "untriaged"
+      },
       "onmousemove": {},
       "onmouseout": {},
       "onmouseover": {},
       "onmouseup": {},
       "onmousewheel": {
         "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-wheelevents",
         "support_level": "nonstandard"
       },
       "onpaste": {},
       "onreset": {},
@@ skipping 43 matching lines @@
       "onwebkitfullscreenerror": {
         "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
         "support_level": "experimental"
       },
       "outerHTML": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
       "previousElementSibling": {},
+      "pseudo": {
+        "support_level": "untriaged"
+      },
       "querySelector": {},
       "querySelectorAll": {},
       "remove": {
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
       "removeAttribute": {},
       "removeAttributeNS": {},
       "removeAttributeNode": {
         "comment": "http://dom.spec.whatwg.org/#dom-element-removeattributenode",
@@ skipping 14 matching lines @@
       "scrollTop": {},
       "scrollWidth": {},
       "setAttribute": {},
       "setAttributeNS": {},
       "setAttributeNode": {
         "comment": "http://dom.spec.whatwg.org/#dom-element-setattributenode",
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
       "setAttributeNodeNS": {},
+      "shadowRoot": {
+        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
+        "support_level": "experimental"
+      },
       "spellcheck": {
         "comment": "http://blog.whatwg.org/the-road-to-html-5-spellchecking",
         "dart_action": "experimental",
         "support_level": "nonstandard"
       },
       "style": {},
       "tabIndex": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
       "tagName": {},
       "title": {
         "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
         "dart_action": "stable",
         "support_level": "nonstandard"
       },
       "translate": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#the-translate-attribute",
         "support_level": "experimental"
       },
-      "webkitCreateShadowRoot": {
-        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
-        "support_level": "experimental"
-      },
       "webkitGetRegionFlowRanges": {
         "comment": "http://dev.w3.org/csswg/css-regions/#dom-region-getregionflowranges",
         "support_level": "experimental"
       },
       "webkitInsertionParent": {
         "comment": "https://www.w3.org/Bugs/Public/show_bug.cgi?id=21067",
         "support_level": "experimental"
       },
       "webkitMatchesSelector": {
         "comment": "http://dev.w3.org/2006/webapi/selectors-api2/#matches",
@@ skipping 13 matching lines @@
         "support_level": "deprecated"
       },
       "webkitRequestFullscreen": {
         "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-element-requestfullscreen",
         "support_level": "experimental"
       },
       "webkitRequestPointerLock": {
         "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Element-requestPointerLock-void",
         "support_level": "experimental"
       },
-      "webkitShadowRoot": {
-        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
-        "support_level": "experimental"
-      },
       "webkitdropzone": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#the-dropzone-attribute",
         "support_level": "experimental"
       }
     },
     "support_level": "stable"
   },
   "ElementTimeControl": {
     "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl",
     "dart_action": "unstable",
@@ skipping 863 matching lines @@
       "open": {}
     },
     "support_level": "stable"
   },
   "HTMLDialogElement": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#the-dialog-element",
     "dart_action": "unstable",
     "members": {
       "close": {},
       "open": {},
+      "returnValue": {
+        "support_level": "untriaged"
+      },
       "show": {},
       "showModal": {}
     },
     "support_level": "stable"
   },
   "HTMLDirectoryElement": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dir",
     "dart_action": "suppress",
     "members": {
       "compact": {}
@@ skipping 477 matching lines @@
       "formEnctype": {},
       "formMethod": {},
       "formNoValidate": {},
       "formTarget": {},
       "height": {},
       "incremental": {
         "comment": "http://www.w3.org/TR/html-markup/input.search.html",
         "support_level": "experimental"
       },
       "indeterminate": {},
+      "inputMode": {
+        "support_level": "untriaged"
+      },
       "labels": {
         "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels"
       },
       "list": {},
       "max": {},
       "maxLength": {},
       "min": {},
       "multiple": {},
       "name": {},
       "onwebkitSpeechChange": {
@@ skipping 975 matching lines @@
       "autofocus": {},
       "checkValidity": {},
       "cols": {},
       "defaultValue": {},
       "dirName": {
         "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#dom-textarea-dirname",
         "support_level": "experimental"
       },
       "disabled": {},
       "form": {},
+      "inputMode": {
+        "support_level": "untriaged"
+      },
       "labels": {
         "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
         "dart_action": "unstable"
       },
       "maxLength": {},
       "name": {},
       "placeholder": {},
       "readOnly": {},
       "required": {},
       "rows": {},
@@ skipping 126 matching lines @@
       "back": {},
       "forward": {},
       "go": {},
       "length": {},
       "pushState": {},
       "replaceState": {},
       "state": {}
     },
     "support_level": "stable"
   },
+  "HmacParams": {
+    "members": {
+      "hash": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "IDBAny": {
     "dart_action": "suppress",
     "members": {},
     "support_level": "nonstandard"
   },
   "IDBCursor": {
     "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBCursor",
     "dart_action": "unstable",
     "members": {
       "advance": {},
@@ skipping 23 matching lines @@
     "dart_action": "unstable",
     "members": {
       "addEventListener": {},
       "close": {},
       "createObjectStore": {},
       "deleteObjectStore": {},
       "dispatchEvent": {},
       "name": {},
       "objectStoreNames": {},
       "onabort": {},
+      "onclose": {
+        "comment": "https://www.w3.org/Bugs/Public/show_bug.cgi?id=22540",
+        "support_level": "experimental"
+      },
       "onerror": {},
       "onversionchange": {},
       "removeEventListener": {},
       "transaction": {},
       "transactionList": {},
       "transactionStore": {},
       "transactionStores": {},
       "version": {}
     },
     "support_level": "stable"
@@ skipping 132 matching lines @@
     "dart_action": "unstable",
     "members": {
       "dataLoss": {
         "support_level": "untriaged"
       },
       "newVersion": {},
       "oldVersion": {}
     },
     "support_level": "stable"
   },
+  "ImageBitmap": {
+    "members": {
+      "height": {
+        "support_level": "untriaged"
+      },
+      "width": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
+  "ImageBitmapCallback": {
+    "members": {},
+    "support_level": "untriaged"
+  },
   "ImageData": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#imagedata",
     "members": {
       "data": {},
       "height": {},
       "width": {}
     },
     "support_level": "stable"
   },
   "InputMethodContext": {
     "comment": "http://www.w3.org/TR/ime-api/#idl-def-InputMethodContext",
     "members": {
       "composition": {},
       "confirmComposition": {},
       "enabled": {},
       "locale": {},
       "open": {},
       "setCaretRectangle": {},
-      "setExclusionRectangle": {}
+      "setExclusionRectangle": {},
+      "target": {
+        "support_level": "untriaged"
+      }
     },
     "support_level": "experimental"
   },
   "Int16Array": {
     "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
     "members": {
       "BYTES_PER_ELEMENT": {},
       "length": {},
       "setElements": {},
       "subarray": {}
@@ skipping 13 matching lines @@
   "Int8Array": {
     "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
     "members": {
       "BYTES_PER_ELEMENT": {},
       "length": {},
       "setElements": {},
       "subarray": {}
     },
     "support_level": "stable"
   },
+  "Key": {
+    "members": {
+      "algorithm": {
+        "support_level": "untriaged"
+      },
+      "extractable": {
+        "support_level": "untriaged"
+      },
+      "type": {
+        "support_level": "untriaged"
+      },
+      "usages": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "KeyboardEvent": {
     "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent",
     "members": {
       "altGraphKey": {
         "dart_action": "experimental",
         "support_level": "nonstandard"
       },
       "altKey": {},
       "ctrlKey": {},
       "initKeyboardEvent": {},
@@ skipping 1027 matching lines @@
       "TRIANGLE": {
         "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
       "UNSCHEDULED_STATE": {},
       "detune": {},
       "frequency": {},
       "noteOff": {},
       "noteOn": {},
+      "onended": {
+        "support_level": "untriaged"
+      },
       "playbackState": {},
+      "setPeriodicWave": {
+        "support_level": "untriaged"
+      },
       "setWaveTable": {},
       "start": {},
       "stop": {},
       "type": {}
     },
     "support_level": "experimental"
   },
   "OverflowEvent": {
     "dart_action": "experimental",
     "members": {
@@ skipping 249 matching lines @@
       "redirectStart": {},
       "requestStart": {},
       "responseEnd": {},
       "responseStart": {},
       "secureConnectionStart": {},
       "unloadEventEnd": {},
       "unloadEventStart": {}
     },
     "support_level": "stable"
   },
+  "PeriodicWave": {
+    "members": {},
+    "support_level": "untriaged"
+  },
   "Plugin": {
     "members": {
       "__getter__": {},
       "description": {},
       "filename": {},
       "item": {},
       "length": {},
       "name": {},
       "namedItem": {}
     },
@@ skipping 61 matching lines @@
   "ProgressEvent": {
     "comment": "http://xhr.spec.whatwg.org/#interface-progressevent",
     "members": {
       "lengthComputable": {},
       "loaded": {},
       "total": {}
     },
     "support_level": "stable"
   },
   "Promise": {
-    "members": {},
+    "members": {
+      "_any": {
+        "support_level": "untriaged"
+      },
+      "every": {
+        "support_level": "untriaged"
+      },
+      "fulfill": {
+        "support_level": "untriaged"
+      },
+      "reject": {
+        "support_level": "untriaged"
+      },
+      "resolve": {
+        "support_level": "untriaged"
+      },
+      "some": {
+        "support_level": "untriaged"
+      }
+    },
     "support_level": "untriaged"
   },
   "PromiseResolver": {
-    "members": {},
+    "members": {
+      "fulfill": {
+        "support_level": "untriaged"
+      },
+      "reject": {
+        "support_level": "untriaged"
+      },
+      "resolve": {
+        "support_level": "untriaged"
+      }
+    },
     "support_level": "untriaged"
   },
   "RGBColor": {
     "comment": "http://dev.w3.org/csswg/cssom/",
     "dart_action": "suppress",
     "members": {
       "blue": {},
       "green": {},
       "red": {}
     },
@@ skipping 884 matching lines @@
     },
     "support_level": "stable"
   },
   "SVGElement": {
     "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGElement",
     "dart_action": "unstable",
     "members": {
       "id": {},
       "ownerSVGElement": {},
       "viewportElement": {},
-      "xmlbase": {}
+      "xmlbase": {},
+      "xmllang": {
+        "support_level": "untriaged"
+      },
+      "xmlspace": {
+        "support_level": "untriaged"
+      }
     },
     "support_level": "stable"
   },
   "SVGElementInstance": {
     "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGElementInstance",
     "dart_action": "unstable",
     "members": {
       "childNodes": {},
       "correspondingElement": {},
       "correspondingUseElement": {},
@@ skipping 19 matching lines @@
       "ondragstart": {},
       "ondrop": {},
       "onerror": {},
       "onfocus": {},
       "oninput": {},
       "onkeydown": {},
       "onkeypress": {},
       "onkeyup": {},
       "onload": {},
       "onmousedown": {},
+      "onmouseenter": {
+        "support_level": "untriaged"
+      },
+      "onmouseleave": {
+        "support_level": "untriaged"
+      },
       "onmousemove": {},
       "onmouseout": {},
       "onmouseover": {},
       "onmouseup": {},
       "onmousewheel": {},
       "onpaste": {},
       "onreset": {},
       "onresize": {},
       "onscroll": {},
       "onsearch": {
@@ skipping 888 matching lines @@
       },
       "gradientTransform": {},
       "gradientUnits": {},
       "href": {
         "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
       },
       "spreadMethod": {}
     },
     "support_level": "stable"
   },
+  "SVGGraphicsElement": {
+    "members": {
+      "farthestViewportElement": {
+        "support_level": "untriaged"
+      },
+      "getBBox": {
+        "support_level": "untriaged"
+      },
+      "getCTM": {
+        "support_level": "untriaged"
+      },
+      "getScreenCTM": {
+        "support_level": "untriaged"
+      },
+      "getTransformToElement": {
+        "support_level": "untriaged"
+      },
+      "hasExtension": {
+        "support_level": "untriaged"
+      },
+      "nearestViewportElement": {
+        "support_level": "untriaged"
+      },
+      "requiredExtensions": {
+        "support_level": "untriaged"
+      },
+      "requiredFeatures": {
+        "support_level": "untriaged"
+      },
+      "systemLanguage": {
+        "support_level": "untriaged"
+      },
+      "transform": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "SVGHKernElement": {
     "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGHKernElement",
     "dart_action": "unstable",
     "members": {
       "SVGHKernElement": {}
     },
     "support_level": "stable"
   },
   "SVGImageElement": {
     "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGImageElement",
@@ skipping 1604 matching lines @@
     "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#securitypolicyviolationevent-events",
     "members": {
       "blockedURI": {},
       "columnNumber": {},
       "documentURI": {},
       "effectiveDirective": {},
       "lineNumber": {},
       "originalPolicy": {},
       "referrer": {},
       "sourceFile": {},
+      "statusCode": {
+        "support_level": "untriaged"
+      },
       "violatedDirective": {}
     },
     "support_level": "experimental"
   },
   "Selection": {
     "comment": "https://dvcs.w3.org/hg/editing/raw-file/tip/editing.html#concept-selection",
     "members": {
       "addRange": {},
       "anchorNode": {},
       "anchorOffset": {},
@@ skipping 73 matching lines @@
   },
   "SharedWorkerContext": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#shared-workers-and-the-sharedworkerglobalscope-interface",
     "dart_action": "experimental",
     "members": {
       "name": {},
       "onconnect": {}
     },
     "support_level": "nonstandard"
   },
+  "SharedWorkerGlobalScope": {
+    "members": {
+      "name": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "SourceBuffer": {
     "comment": "https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#sourcebuffer",
     "members": {
       "abort": {},
       "addEventListener": {
         "support_level": "untriaged"
       },
       "append": {
         "support_level": "nonstandard"
       },
       "appendBuffer": {
         "support_level": "untriaged"
       },
+      "appendBufferView": {
+        "support_level": "untriaged"
+      },
       "buffered": {},
       "dispatchEvent": {
         "support_level": "untriaged"
       },
       "removeEventListener": {
         "support_level": "untriaged"
       },
       "timestampOffset": {},
       "updating": {
         "support_level": "untriaged"
@@ skipping 306 matching lines @@
   "StyleSheetList": {
     "comment": "http://dev.w3.org/csswg/cssom/#the-stylesheetlist-sequence",
     "members": {
       "__getter__": {},
       "item": {},
       "length": {}
     },
     "support_level": "stable"
   },
   "SubtleCrypto": {
-    "members": {},
+    "members": {
+      "decrypt": {
+        "support_level": "untriaged"
+      },
+      "digest": {
+        "support_level": "untriaged"
+      },
+      "encrypt": {
+        "support_level": "untriaged"
+      },
+      "importKey": {
+        "support_level": "untriaged"
+      },
+      "sign": {
+        "support_level": "untriaged"
+      },
+      "verify": {
+        "support_level": "untriaged"
+      }
+    },
     "support_level": "untriaged"
   },
   "Text": {
     "comment": "http://dom.spec.whatwg.org/#interface-text",
     "members": {
       "Text": {},
       "replaceWholeText": {
         "comment": "http://dom.spec.whatwg.org/#dom-text-replacewholetext",
         "dart_action": "suppress",
         "support_level": "deprecated"
@@ skipping 1291 matching lines @@
       },
       "clearInterval": {},
       "clearTimeout": {},
       "clientInformation": {
         "support_level": "nonstandard"
       },
       "close": {},
       "closed": {},
       "confirm": {},
       "console": {},
+      "createImageBitmap": {
+        "support_level": "untriaged"
+      },
       "crypto": {
         "comment": "http://www.w3.org/TR/WebCryptoAPI/",
         "support_level": "experimental"
       },
       "defaultStatus": {},
       "defaultstatus": {
         "support_level": "nonstandard"
       },
       "devicePixelRatio": {
         "comment": "http://www.quirksmode.org/blog/archives/2012/06/devicepixelrati.html",
@@ skipping 76 matching lines @@
       },
       "onkeydown": {},
       "onkeypress": {},
       "onkeyup": {},
       "onload": {},
       "onloadeddata": {},
       "onloadedmetadata": {},
       "onloadstart": {},
       "onmessage": {},
       "onmousedown": {},
+      "onmouseenter": {
+        "support_level": "untriaged"
+      },
+      "onmouseleave": {
+        "support_level": "untriaged"
+      },
       "onmousemove": {},
       "onmouseout": {},
       "onmouseover": {},
       "onmouseup": {},
       "onmousewheel": {},
       "onoffline": {},
       "ononline": {},
       "onpagehide": {},
       "onpageshow": {},
       "onpause": {},
@@ skipping 165 matching lines @@
       },
       "webkitStorageInfo": {
         "comment": "http://www.w3.org/TR/file-system-api/",
         "dart_action": "suppress",
         "support_level": "deprecated"
       },
       "window": {}
     },
     "support_level": "stable"
   },
+  "WindowBase64": {
+    "members": {
+      "atob": {
+        "support_level": "untriaged"
+      },
+      "btoa": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "WindowTimers": {
     "members": {
       "clearInterval": {
         "support_level": "untriaged"
       },
       "clearTimeout": {
         "support_level": "untriaged"
       },
       "setInterval": {
         "support_level": "untriaged"
@@ skipping 98 matching lines @@
     "support_level": "stable"
   },
   "WorkerCrypto": {
     "members": {
       "getRandomValues": {
         "support_level": "untriaged"
       }
     },
     "support_level": "untriaged"
   },
+  "WorkerGlobalScope": {
+    "members": {
+      "PERSISTENT": {
+        "support_level": "untriaged"
+      },
+      "TEMPORARY": {
+        "support_level": "untriaged"
+      },
+      "atob": {
+        "support_level": "untriaged"
+      },
+      "btoa": {
+        "support_level": "untriaged"
+      },
+      "clearInterval": {
+        "support_level": "untriaged"
+      },
+      "clearTimeout": {
+        "support_level": "untriaged"
+      },
+      "close": {
+        "support_level": "untriaged"
+      },
+      "crypto": {
+        "support_level": "untriaged"
+      },
+      "importScripts": {
+        "support_level": "untriaged"
+      },
+      "indexedDB": {
+        "support_level": "untriaged"
+      },
+      "location": {
+        "support_level": "untriaged"
+      },
+      "navigator": {
+        "support_level": "untriaged"
+      },
+      "onerror": {
+        "support_level": "untriaged"
+      },
+      "openDatabase": {
+        "support_level": "untriaged"
+      },
+      "openDatabaseSync": {
+        "support_level": "untriaged"
+      },
+      "performance": {
+        "support_level": "untriaged"
+      },
+      "self": {
+        "support_level": "untriaged"
+      },
+      "setInterval": {
+        "support_level": "untriaged"
+      },
+      "setTimeout": {
+        "support_level": "untriaged"
+      },
+      "webkitIndexedDB": {
+        "support_level": "untriaged"
+      },
+      "webkitNotifications": {
+        "support_level": "untriaged"
+      },
+      "webkitRequestFileSystem": {
+        "support_level": "untriaged"
+      },
+      "webkitRequestFileSystemSync": {
+        "support_level": "untriaged"
+      },
+      "webkitResolveLocalFileSystemSyncURL": {
+        "support_level": "untriaged"
+      },
+      "webkitResolveLocalFileSystemURL": {
+        "support_level": "untriaged"
+      }
+    },
+    "support_level": "untriaged"
+  },
   "WorkerLocation": {
     "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#workerlocation",
     "members": {
       "hash": {
         "comment": "http://url.spec.whatwg.org/#urlutils"
       },
       "host": {
         "comment": "http://url.spec.whatwg.org/#urlutils"
       },
       "hostname": {
@@ skipping 234 matching lines @@
       "importStylesheet": {},
       "removeParameter": {},
       "reset": {},
       "setParameter": {},
       "transformToDocument": {},
       "transformToFragment": {}
     },
     "support_level": "nonstandard"
   }
 }