Modify blink type map to finalize lazily

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 867744f148953d5766769df71d6b82928958976a..839930e1bf99a4e8babc38e72d632133991efdef 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -110,384 +110,384 @@ Future<Isolate> spawnDomUri(Uri uri, List<String> args, message) {
   return _Utils.spawnDomUri(uri.toString());
 }
 // FIXME: Can we make this private?
-const htmlBlinkMap = const {
-  '_HistoryCrossFrame': _HistoryCrossFrame,
-  '_LocationCrossFrame': _LocationCrossFrame,
-  '_DOMWindowCrossFrame': _DOMWindowCrossFrame,
+final htmlBlinkMap = {
+  '_HistoryCrossFrame': () => _HistoryCrossFrame,
+  '_LocationCrossFrame': () => _LocationCrossFrame,
+  '_DOMWindowCrossFrame': () => _DOMWindowCrossFrame,
   // FIXME: Move these to better locations.
-  'DateTime': DateTime,
-  'JsObject': js.JsObject,
-  'JsFunction': js.JsFunction,
-  'JsArray': js.JsArray,
-  'AbstractWorker': AbstractWorker,
-  'Algorithm': Algorithm,
-  'Animation': Animation,
-  'ApplicationCache': ApplicationCache,
-  'Attr': _Attr,
-  'AutocompleteErrorEvent': AutocompleteErrorEvent,
-  'BarProp': BarProp,
-  'BeforeLoadEvent': BeforeLoadEvent,
-  'BeforeUnloadEvent': BeforeUnloadEvent,
-  'Blob': Blob,
-  'CDATASection': CDataSection,
-  'CSS': Css,
-  'CSSCharsetRule': CssCharsetRule,
-  'CSSFontFaceLoadEvent': CssFontFaceLoadEvent,
-  'CSSFontFaceRule': CssFontFaceRule,
-  'CSSImportRule': CssImportRule,
-  'CSSKeyframeRule': CssKeyframeRule,
-  'CSSKeyframesRule': CssKeyframesRule,
-  'CSSMediaRule': CssMediaRule,
-  'CSSPageRule': CssPageRule,
-  'CSSPrimitiveValue': _CSSPrimitiveValue,
-  'CSSRule': CssRule,
-  'CSSRuleList': _CssRuleList,
-  'CSSStyleDeclaration': CssStyleDeclaration,
-  'CSSStyleRule': CssStyleRule,
-  'CSSStyleSheet': CssStyleSheet,
-  'CSSSupportsRule': CssSupportsRule,
-  'CSSUnknownRule': _CSSUnknownRule,
-  'CSSValue': _CSSValue,
-  'CSSValueList': _CssValueList,
-  'CSSViewportRule': CssViewportRule,
-  'Canvas2DContextAttributes': Canvas2DContextAttributes,
-  'CanvasGradient': CanvasGradient,
-  'CanvasPattern': CanvasPattern,
-  'CanvasRenderingContext': CanvasRenderingContext,
-  'CanvasRenderingContext2D': CanvasRenderingContext2D,
-  'CharacterData': CharacterData,
-  'ChildNode': ChildNode,
-  'ClientRect': _ClientRect,
-  'ClientRectList': _ClientRectList,
-  'Clipboard': DataTransfer,
-  'CloseEvent': CloseEvent,
-  'Comment': Comment,
-  'CompositionEvent': CompositionEvent,
-  'Console': Console,
-  'ConsoleBase': ConsoleBase,
-  'Coordinates': Coordinates,
-  'Counter': _Counter,
-  'Crypto': Crypto,
-  'CustomEvent': CustomEvent,
-  'DOMError': DomError,
-  'DOMException': DomException,
-  'DOMFileSystem': FileSystem,
-  'DOMFileSystemSync': _DOMFileSystemSync,
-  'DOMImplementation': DomImplementation,
-  'DOMParser': DomParser,
-  'DOMSettableTokenList': DomSettableTokenList,
-  'DOMStringList': DomStringList,
-  'DOMStringMap': DomStringMap,
-  'DOMTokenList': DomTokenList,
-  'DataTransferItem': DataTransferItem,
-  'DataTransferItemList': DataTransferItemList,
-  'DatabaseSync': _DatabaseSync,
-  'DedicatedWorkerGlobalScope': DedicatedWorkerGlobalScope,
-  'DeprecatedStorageInfo': DeprecatedStorageInfo,
-  'DeprecatedStorageQuota': DeprecatedStorageQuota,
-  'DeviceAcceleration': DeviceAcceleration,
-  'DeviceMotionEvent': DeviceMotionEvent,
-  'DeviceOrientationEvent': DeviceOrientationEvent,
-  'DeviceRotationRate': DeviceRotationRate,
-  'DirectoryEntry': DirectoryEntry,
-  'DirectoryEntrySync': _DirectoryEntrySync,
-  'DirectoryReader': DirectoryReader,
-  'DirectoryReaderSync': _DirectoryReaderSync,
-  'Document': Document,
-  'DocumentFragment': DocumentFragment,
-  'DocumentType': _DocumentType,
-  'Element': Element,
-  'Entry': Entry,
-  'EntrySync': _EntrySync,
-  'ErrorEvent': ErrorEvent,
-  'Event': Event,
-  'EventSource': EventSource,
-  'EventTarget': EventTarget,
-  'File': File,
-  'FileEntry': FileEntry,
-  'FileEntrySync': _FileEntrySync,
-  'FileError': FileError,
-  'FileList': FileList,
-  'FileReader': FileReader,
-  'FileReaderSync': _FileReaderSync,
-  'FileWriter': FileWriter,
-  'FileWriterSync': _FileWriterSync,
-  'FocusEvent': FocusEvent,
-  'FontFace': FontFace,
-  'FontFaceSet': FontFaceSet,
-  'FormData': FormData,
-  'Gamepad': Gamepad,
-  'GamepadList': _GamepadList,
-  'Geolocation': Geolocation,
-  'Geoposition': Geoposition,
-  'GlobalEventHandlers': GlobalEventHandlers,
-  'HTMLAllCollection': _HTMLAllCollection,
-  'HTMLAnchorElement': AnchorElement,
-  'HTMLAppletElement': _HTMLAppletElement,
-  'HTMLAreaElement': AreaElement,
-  'HTMLAudioElement': AudioElement,
-  'HTMLBRElement': BRElement,
-  'HTMLBaseElement': BaseElement,
-  'HTMLBodyElement': BodyElement,
-  'HTMLButtonElement': ButtonElement,
-  'HTMLCanvasElement': CanvasElement,
-  'HTMLCollection': HtmlCollection,
-  'HTMLContentElement': ContentElement,
-  'HTMLDListElement': DListElement,
-  'HTMLDataListElement': DataListElement,
-  'HTMLDetailsElement': DetailsElement,
-  'HTMLDialogElement': DialogElement,
-  'HTMLDirectoryElement': _HTMLDirectoryElement,
-  'HTMLDivElement': DivElement,
-  'HTMLDocument': HtmlDocument,
-  'HTMLElement': HtmlElement,
-  'HTMLEmbedElement': EmbedElement,
-  'HTMLFieldSetElement': FieldSetElement,
-  'HTMLFontElement': _HTMLFontElement,
-  'HTMLFormControlsCollection': HtmlFormControlsCollection,
-  'HTMLFormElement': FormElement,
-  'HTMLFrameElement': _HTMLFrameElement,
-  'HTMLFrameSetElement': _HTMLFrameSetElement,
-  'HTMLHRElement': HRElement,
-  'HTMLHeadElement': HeadElement,
-  'HTMLHeadingElement': HeadingElement,
-  'HTMLHtmlElement': HtmlHtmlElement,
-  'HTMLIFrameElement': IFrameElement,
-  'HTMLImageElement': ImageElement,
-  'HTMLInputElement': InputElement,
-  'HTMLKeygenElement': KeygenElement,
-  'HTMLLIElement': LIElement,
-  'HTMLLabelElement': LabelElement,
-  'HTMLLegendElement': LegendElement,
-  'HTMLLinkElement': LinkElement,
-  'HTMLMapElement': MapElement,
-  'HTMLMarqueeElement': _HTMLMarqueeElement,
-  'HTMLMediaElement': MediaElement,
-  'HTMLMenuElement': MenuElement,
-  'HTMLMetaElement': MetaElement,
-  'HTMLMeterElement': MeterElement,
-  'HTMLModElement': ModElement,
-  'HTMLOListElement': OListElement,
-  'HTMLObjectElement': ObjectElement,
-  'HTMLOptGroupElement': OptGroupElement,
-  'HTMLOptionElement': OptionElement,
-  'HTMLOptionsCollection': HtmlOptionsCollection,
-  'HTMLOutputElement': OutputElement,
-  'HTMLParagraphElement': ParagraphElement,
-  'HTMLParamElement': ParamElement,
-  'HTMLPreElement': PreElement,
-  'HTMLProgressElement': ProgressElement,
-  'HTMLQuoteElement': QuoteElement,
-  'HTMLScriptElement': ScriptElement,
-  'HTMLSelectElement': SelectElement,
-  'HTMLShadowElement': ShadowElement,
-  'HTMLSourceElement': SourceElement,
-  'HTMLSpanElement': SpanElement,
-  'HTMLStyleElement': StyleElement,
-  'HTMLTableCaptionElement': TableCaptionElement,
-  'HTMLTableCellElement': TableCellElement,
-  'HTMLTableColElement': TableColElement,
-  'HTMLTableElement': TableElement,
-  'HTMLTableRowElement': TableRowElement,
-  'HTMLTableSectionElement': TableSectionElement,
-  'HTMLTemplateElement': TemplateElement,
-  'HTMLTextAreaElement': TextAreaElement,
-  'HTMLTitleElement': TitleElement,
-  'HTMLTrackElement': TrackElement,
-  'HTMLUListElement': UListElement,
-  'HTMLUnknownElement': UnknownElement,
-  'HTMLVideoElement': VideoElement,
-  'HashChangeEvent': HashChangeEvent,
-  'History': History,
-  'ImageBitmap': ImageBitmap,
-  'ImageData': ImageData,
-  'InjectedScriptHost': InjectedScriptHost,
-  'InputMethodContext': InputMethodContext,
-  'InstallEvent': InstallEvent,
-  'InstallPhaseEvent': InstallPhaseEvent,
-  'Key': CryptoKey,
-  'KeyPair': KeyPair,
-  'KeyboardEvent': KeyboardEvent,
-  'Location': Location,
-  'MIDIAccess': MidiAccess,
-  'MIDIAccessPromise': MidiAccessPromise,
-  'MIDIConnectionEvent': MidiConnectionEvent,
-  'MIDIInput': MidiInput,
-  'MIDIMessageEvent': MidiMessageEvent,
-  'MIDIOutput': MidiOutput,
-  'MIDIPort': MidiPort,
-  'MediaController': MediaController,
-  'MediaError': MediaError,
-  'MediaKeyError': MediaKeyError,
-  'MediaKeyEvent': MediaKeyEvent,
-  'MediaKeyMessageEvent': MediaKeyMessageEvent,
-  'MediaKeyNeededEvent': MediaKeyNeededEvent,
-  'MediaKeySession': MediaKeySession,
-  'MediaKeys': MediaKeys,
-  'MediaList': MediaList,
-  'MediaQueryList': MediaQueryList,
-  'MediaSource': MediaSource,
-  'MediaStream': MediaStream,
-  'MediaStreamEvent': MediaStreamEvent,
-  'MediaStreamTrack': MediaStreamTrack,
-  'MediaStreamTrackEvent': MediaStreamTrackEvent,
-  'MemoryInfo': MemoryInfo,
-  'MessageChannel': MessageChannel,
-  'MessageEvent': MessageEvent,
-  'MessagePort': MessagePort,
-  'Metadata': Metadata,
-  'MimeType': MimeType,
-  'MimeTypeArray': MimeTypeArray,
-  'MouseEvent': MouseEvent,
-  'MutationEvent': _MutationEvent,
-  'MutationObserver': MutationObserver,
-  'MutationRecord': MutationRecord,
-  'NamedNodeMap': _NamedNodeMap,
-  'Navigator': Navigator,
-  'NavigatorID': NavigatorID,
-  'NavigatorOnLine': NavigatorOnLine,
-  'NavigatorUserMediaError': NavigatorUserMediaError,
-  'Node': Node,
-  'NodeFilter': NodeFilter,
-  'NodeIterator': NodeIterator,
-  'NodeList': NodeList,
-  'Notation': _Notation,
-  'Notification': Notification,
-  'NotificationCenter': _NotificationCenter,
-  'OverflowEvent': OverflowEvent,
-  'PagePopupController': _PagePopupController,
-  'PageTransitionEvent': PageTransitionEvent,
-  'ParentNode': ParentNode,
-  'Path': Path,
-  'Performance': Performance,
-  'PerformanceEntry': PerformanceEntry,
-  'PerformanceMark': PerformanceMark,
-  'PerformanceMeasure': PerformanceMeasure,
-  'PerformanceNavigation': PerformanceNavigation,
-  'PerformanceResourceTiming': PerformanceResourceTiming,
-  'PerformanceTiming': PerformanceTiming,
-  'Player': Player,
-  'Plugin': Plugin,
-  'PluginArray': PluginArray,
-  'PopStateEvent': PopStateEvent,
-  'PositionError': PositionError,
-  'ProcessingInstruction': ProcessingInstruction,
-  'ProgressEvent': ProgressEvent,
-  'RGBColor': _RGBColor,
-  'RTCDTMFSender': RtcDtmfSender,
-  'RTCDTMFToneChangeEvent': RtcDtmfToneChangeEvent,
-  'RTCDataChannel': RtcDataChannel,
-  'RTCDataChannelEvent': RtcDataChannelEvent,
-  'RTCIceCandidate': RtcIceCandidate,
-  'RTCIceCandidateEvent': RtcIceCandidateEvent,
-  'RTCPeerConnection': RtcPeerConnection,
-  'RTCSessionDescription': RtcSessionDescription,
-  'RTCStatsReport': RtcStatsReport,
-  'RTCStatsResponse': RtcStatsResponse,
-  'RadioNodeList': _RadioNodeList,
-  'Range': Range,
-  'Rect': _Rect,
-  'ResourceProgressEvent': ResourceProgressEvent,
-  'Screen': Screen,
-  'SecurityPolicyViolationEvent': SecurityPolicyViolationEvent,
-  'Selection': Selection,
-  'ServiceWorker': _ServiceWorker,
-  'ServiceWorkerContainer': ServiceWorkerContainer,
-  'ServiceWorkerGlobalScope': ServiceWorkerGlobalScope,
-  'ShadowRoot': ShadowRoot,
-  'SharedWorker': SharedWorker,
-  'SharedWorkerGlobalScope': SharedWorkerGlobalScope,
-  'SourceBuffer': SourceBuffer,
-  'SourceBufferList': SourceBufferList,
-  'SourceInfo': SourceInfo,
-  'SpeechGrammar': SpeechGrammar,
-  'SpeechGrammarList': SpeechGrammarList,
-  'SpeechInputEvent': SpeechInputEvent,
-  'SpeechInputResult': SpeechInputResult,
-  'SpeechInputResultList': _SpeechInputResultList,
-  'SpeechRecognition': SpeechRecognition,
-  'SpeechRecognitionAlternative': SpeechRecognitionAlternative,
-  'SpeechRecognitionError': SpeechRecognitionError,
-  'SpeechRecognitionEvent': SpeechRecognitionEvent,
-  'SpeechRecognitionResult': SpeechRecognitionResult,
-  'SpeechRecognitionResultList': _SpeechRecognitionResultList,
-  'SpeechSynthesis': SpeechSynthesis,
-  'SpeechSynthesisEvent': SpeechSynthesisEvent,
-  'SpeechSynthesisUtterance': SpeechSynthesisUtterance,
-  'SpeechSynthesisVoice': SpeechSynthesisVoice,
-  'Storage': Storage,
-  'StorageEvent': StorageEvent,
-  'StorageInfo': StorageInfo,
-  'StorageQuota': StorageQuota,
-  'Stream': FileStream,
-  'StyleMedia': StyleMedia,
-  'StyleSheet': StyleSheet,
-  'StyleSheetList': _StyleSheetList,
-  'SubtleCrypto': _SubtleCrypto,
-  'Text': Text,
-  'TextEvent': TextEvent,
-  'TextMetrics': TextMetrics,
-  'TextTrack': TextTrack,
-  'TextTrackCue': TextTrackCue,
-  'TextTrackCueList': TextTrackCueList,
-  'TextTrackList': TextTrackList,
-  'TimeRanges': TimeRanges,
-  'TimedItem': TimedItem,
-  'Timeline': Timeline,
-  'Timing': Timing,
-  'Touch': Touch,
-  'TouchEvent': TouchEvent,
-  'TouchList': TouchList,
-  'TrackEvent': TrackEvent,
-  'TransitionEvent': TransitionEvent,
-  'TreeWalker': TreeWalker,
-  'UIEvent': UIEvent,
-  'URL': Url,
-  'URLUtils': UrlUtils,
-  'URLUtilsReadOnly': UrlUtilsReadOnly,
-  'VTTCue': VttCue,
-  'VTTRegion': VttRegion,
-  'VTTRegionList': VttRegionList,
-  'ValidityState': ValidityState,
-  'VideoPlaybackQuality': VideoPlaybackQuality,
-  'WebKitAnimationEvent': AnimationEvent,
-  'WebKitCSSFilterRule': CssFilterRule,
-  'WebKitCSSFilterValue': _WebKitCSSFilterValue,
-  'WebKitCSSMatrix': _WebKitCSSMatrix,
-  'WebKitCSSTransformValue': _WebKitCSSTransformValue,
-  'WebKitMediaSource': _WebKitMediaSource,
-  'WebKitNotification': _WebKitNotification,
-  'WebKitPoint': _DomPoint,
-  'WebKitSourceBuffer': _WebKitSourceBuffer,
-  'WebKitSourceBufferList': _WebKitSourceBufferList,
-  'WebSocket': WebSocket,
-  'WheelEvent': WheelEvent,
-  'Window': Window,
-  'WindowBase64': WindowBase64,
-  'WindowEventHandlers': WindowEventHandlers,
-  'WindowTimers': _WindowTimers,
-  'Worker': Worker,
-  'WorkerConsole': WorkerConsole,
-  'WorkerCrypto': WorkerCrypto,
-  'WorkerGlobalScope': WorkerGlobalScope,
-  'WorkerLocation': _WorkerLocation,
-  'WorkerNavigator': _WorkerNavigator,
-  'WorkerPerformance': WorkerPerformance,
-  'XMLDocument': XmlDocument,
-  'XMLHttpRequest': HttpRequest,
-  'XMLHttpRequestEventTarget': HttpRequestEventTarget,
-  'XMLHttpRequestProgressEvent': _XMLHttpRequestProgressEvent,
-  'XMLHttpRequestUpload': HttpRequestUpload,
-  'XMLSerializer': XmlSerializer,
-  'XPathEvaluator': XPathEvaluator,
-  'XPathExpression': XPathExpression,
-  'XPathNSResolver': XPathNSResolver,
-  'XPathResult': XPathResult,
-  'XSLTProcessor': XsltProcessor,
+  'DateTime': () => DateTime,
+  'JsObject': () => js.JsObject,
+  'JsFunction': () => js.JsFunction,
+  'JsArray': () => js.JsArray,
+  'AbstractWorker': () => AbstractWorker,
+  'Algorithm': () => Algorithm,
+  'Animation': () => Animation,
+  'ApplicationCache': () => ApplicationCache,
+  'Attr': () => _Attr,
+  'AutocompleteErrorEvent': () => AutocompleteErrorEvent,
+  'BarProp': () => BarProp,
+  'BeforeLoadEvent': () => BeforeLoadEvent,
+  'BeforeUnloadEvent': () => BeforeUnloadEvent,
+  'Blob': () => Blob,
+  'CDATASection': () => CDataSection,
+  'CSS': () => Css,
+  'CSSCharsetRule': () => CssCharsetRule,
+  'CSSFontFaceLoadEvent': () => CssFontFaceLoadEvent,
+  'CSSFontFaceRule': () => CssFontFaceRule,
+  'CSSImportRule': () => CssImportRule,
+  'CSSKeyframeRule': () => CssKeyframeRule,
+  'CSSKeyframesRule': () => CssKeyframesRule,
+  'CSSMediaRule': () => CssMediaRule,
+  'CSSPageRule': () => CssPageRule,
+  'CSSPrimitiveValue': () => _CSSPrimitiveValue,
+  'CSSRule': () => CssRule,
+  'CSSRuleList': () => _CssRuleList,
+  'CSSStyleDeclaration': () => CssStyleDeclaration,
+  'CSSStyleRule': () => CssStyleRule,
+  'CSSStyleSheet': () => CssStyleSheet,
+  'CSSSupportsRule': () => CssSupportsRule,
+  'CSSUnknownRule': () => _CSSUnknownRule,
+  'CSSValue': () => _CSSValue,
+  'CSSValueList': () => _CssValueList,
+  'CSSViewportRule': () => CssViewportRule,
+  'Canvas2DContextAttributes': () => Canvas2DContextAttributes,
+  'CanvasGradient': () => CanvasGradient,
+  'CanvasPattern': () => CanvasPattern,
+  'CanvasRenderingContext': () => CanvasRenderingContext,
+  'CanvasRenderingContext2D': () => CanvasRenderingContext2D,
+  'CharacterData': () => CharacterData,
+  'ChildNode': () => ChildNode,
+  'ClientRect': () => _ClientRect,
+  'ClientRectList': () => _ClientRectList,
+  'Clipboard': () => DataTransfer,
+  'CloseEvent': () => CloseEvent,
+  'Comment': () => Comment,
+  'CompositionEvent': () => CompositionEvent,
+  'Console': () => Console,
+  'ConsoleBase': () => ConsoleBase,
+  'Coordinates': () => Coordinates,
+  'Counter': () => _Counter,
+  'Crypto': () => Crypto,
+  'CustomEvent': () => CustomEvent,
+  'DOMError': () => DomError,
+  'DOMException': () => DomException,
+  'DOMFileSystem': () => FileSystem,
+  'DOMFileSystemSync': () => _DOMFileSystemSync,
+  'DOMImplementation': () => DomImplementation,
+  'DOMParser': () => DomParser,
+  'DOMSettableTokenList': () => DomSettableTokenList,
+  'DOMStringList': () => DomStringList,
+  'DOMStringMap': () => DomStringMap,
+  'DOMTokenList': () => DomTokenList,
+  'DataTransferItem': () => DataTransferItem,
+  'DataTransferItemList': () => DataTransferItemList,
+  'DatabaseSync': () => _DatabaseSync,
+  'DedicatedWorkerGlobalScope': () => DedicatedWorkerGlobalScope,
+  'DeprecatedStorageInfo': () => DeprecatedStorageInfo,
+  'DeprecatedStorageQuota': () => DeprecatedStorageQuota,
+  'DeviceAcceleration': () => DeviceAcceleration,
+  'DeviceMotionEvent': () => DeviceMotionEvent,
+  'DeviceOrientationEvent': () => DeviceOrientationEvent,
+  'DeviceRotationRate': () => DeviceRotationRate,
+  'DirectoryEntry': () => DirectoryEntry,
+  'DirectoryEntrySync': () => _DirectoryEntrySync,
+  'DirectoryReader': () => DirectoryReader,
+  'DirectoryReaderSync': () => _DirectoryReaderSync,
+  'Document': () => Document,
+  'DocumentFragment': () => DocumentFragment,
+  'DocumentType': () => _DocumentType,
+  'Element': () => Element,
+  'Entry': () => Entry,
+  'EntrySync': () => _EntrySync,
+  'ErrorEvent': () => ErrorEvent,
+  'Event': () => Event,
+  'EventSource': () => EventSource,
+  'EventTarget': () => EventTarget,
+  'File': () => File,
+  'FileEntry': () => FileEntry,
+  'FileEntrySync': () => _FileEntrySync,
+  'FileError': () => FileError,
+  'FileList': () => FileList,
+  'FileReader': () => FileReader,
+  'FileReaderSync': () => _FileReaderSync,
+  'FileWriter': () => FileWriter,
+  'FileWriterSync': () => _FileWriterSync,
+  'FocusEvent': () => FocusEvent,
+  'FontFace': () => FontFace,
+  'FontFaceSet': () => FontFaceSet,
+  'FormData': () => FormData,
+  'Gamepad': () => Gamepad,
+  'GamepadList': () => _GamepadList,
+  'Geolocation': () => Geolocation,
+  'Geoposition': () => Geoposition,
+  'GlobalEventHandlers': () => GlobalEventHandlers,
+  'HTMLAllCollection': () => _HTMLAllCollection,
+  'HTMLAnchorElement': () => AnchorElement,
+  'HTMLAppletElement': () => _HTMLAppletElement,
+  'HTMLAreaElement': () => AreaElement,
+  'HTMLAudioElement': () => AudioElement,
+  'HTMLBRElement': () => BRElement,
+  'HTMLBaseElement': () => BaseElement,
+  'HTMLBodyElement': () => BodyElement,
+  'HTMLButtonElement': () => ButtonElement,
+  'HTMLCanvasElement': () => CanvasElement,
+  'HTMLCollection': () => HtmlCollection,
+  'HTMLContentElement': () => ContentElement,
+  'HTMLDListElement': () => DListElement,
+  'HTMLDataListElement': () => DataListElement,
+  'HTMLDetailsElement': () => DetailsElement,
+  'HTMLDialogElement': () => DialogElement,
+  'HTMLDirectoryElement': () => _HTMLDirectoryElement,
+  'HTMLDivElement': () => DivElement,
+  'HTMLDocument': () => HtmlDocument,
+  'HTMLElement': () => HtmlElement,
+  'HTMLEmbedElement': () => EmbedElement,
+  'HTMLFieldSetElement': () => FieldSetElement,
+  'HTMLFontElement': () => _HTMLFontElement,
+  'HTMLFormControlsCollection': () => HtmlFormControlsCollection,
+  'HTMLFormElement': () => FormElement,
+  'HTMLFrameElement': () => _HTMLFrameElement,
+  'HTMLFrameSetElement': () => _HTMLFrameSetElement,
+  'HTMLHRElement': () => HRElement,
+  'HTMLHeadElement': () => HeadElement,
+  'HTMLHeadingElement': () => HeadingElement,
+  'HTMLHtmlElement': () => HtmlHtmlElement,
+  'HTMLIFrameElement': () => IFrameElement,
+  'HTMLImageElement': () => ImageElement,
+  'HTMLInputElement': () => InputElement,
+  'HTMLKeygenElement': () => KeygenElement,
+  'HTMLLIElement': () => LIElement,
+  'HTMLLabelElement': () => LabelElement,
+  'HTMLLegendElement': () => LegendElement,
+  'HTMLLinkElement': () => LinkElement,
+  'HTMLMapElement': () => MapElement,
+  'HTMLMarqueeElement': () => _HTMLMarqueeElement,
+  'HTMLMediaElement': () => MediaElement,
+  'HTMLMenuElement': () => MenuElement,
+  'HTMLMetaElement': () => MetaElement,
+  'HTMLMeterElement': () => MeterElement,
+  'HTMLModElement': () => ModElement,
+  'HTMLOListElement': () => OListElement,
+  'HTMLObjectElement': () => ObjectElement,
+  'HTMLOptGroupElement': () => OptGroupElement,
+  'HTMLOptionElement': () => OptionElement,
+  'HTMLOptionsCollection': () => HtmlOptionsCollection,
+  'HTMLOutputElement': () => OutputElement,
+  'HTMLParagraphElement': () => ParagraphElement,
+  'HTMLParamElement': () => ParamElement,
+  'HTMLPreElement': () => PreElement,
+  'HTMLProgressElement': () => ProgressElement,
+  'HTMLQuoteElement': () => QuoteElement,
+  'HTMLScriptElement': () => ScriptElement,
+  'HTMLSelectElement': () => SelectElement,
+  'HTMLShadowElement': () => ShadowElement,
+  'HTMLSourceElement': () => SourceElement,
+  'HTMLSpanElement': () => SpanElement,
+  'HTMLStyleElement': () => StyleElement,
+  'HTMLTableCaptionElement': () => TableCaptionElement,
+  'HTMLTableCellElement': () => TableCellElement,
+  'HTMLTableColElement': () => TableColElement,
+  'HTMLTableElement': () => TableElement,
+  'HTMLTableRowElement': () => TableRowElement,
+  'HTMLTableSectionElement': () => TableSectionElement,
+  'HTMLTemplateElement': () => TemplateElement,
+  'HTMLTextAreaElement': () => TextAreaElement,
+  'HTMLTitleElement': () => TitleElement,
+  'HTMLTrackElement': () => TrackElement,
+  'HTMLUListElement': () => UListElement,
+  'HTMLUnknownElement': () => UnknownElement,
+  'HTMLVideoElement': () => VideoElement,
+  'HashChangeEvent': () => HashChangeEvent,
+  'History': () => History,
+  'ImageBitmap': () => ImageBitmap,
+  'ImageData': () => ImageData,
+  'InjectedScriptHost': () => InjectedScriptHost,
+  'InputMethodContext': () => InputMethodContext,
+  'InstallEvent': () => InstallEvent,
+  'InstallPhaseEvent': () => InstallPhaseEvent,
+  'Key': () => CryptoKey,
+  'KeyPair': () => KeyPair,
+  'KeyboardEvent': () => KeyboardEvent,
+  'Location': () => Location,
+  'MIDIAccess': () => MidiAccess,
+  'MIDIAccessPromise': () => MidiAccessPromise,
+  'MIDIConnectionEvent': () => MidiConnectionEvent,
+  'MIDIInput': () => MidiInput,
+  'MIDIMessageEvent': () => MidiMessageEvent,
+  'MIDIOutput': () => MidiOutput,
+  'MIDIPort': () => MidiPort,
+  'MediaController': () => MediaController,
+  'MediaError': () => MediaError,
+  'MediaKeyError': () => MediaKeyError,
+  'MediaKeyEvent': () => MediaKeyEvent,
+  'MediaKeyMessageEvent': () => MediaKeyMessageEvent,
+  'MediaKeyNeededEvent': () => MediaKeyNeededEvent,
+  'MediaKeySession': () => MediaKeySession,
+  'MediaKeys': () => MediaKeys,
+  'MediaList': () => MediaList,
+  'MediaQueryList': () => MediaQueryList,
+  'MediaSource': () => MediaSource,
+  'MediaStream': () => MediaStream,
+  'MediaStreamEvent': () => MediaStreamEvent,
+  'MediaStreamTrack': () => MediaStreamTrack,
+  'MediaStreamTrackEvent': () => MediaStreamTrackEvent,
+  'MemoryInfo': () => MemoryInfo,
+  'MessageChannel': () => MessageChannel,
+  'MessageEvent': () => MessageEvent,
+  'MessagePort': () => MessagePort,
+  'Metadata': () => Metadata,
+  'MimeType': () => MimeType,
+  'MimeTypeArray': () => MimeTypeArray,
+  'MouseEvent': () => MouseEvent,
+  'MutationEvent': () => _MutationEvent,
+  'MutationObserver': () => MutationObserver,
+  'MutationRecord': () => MutationRecord,
+  'NamedNodeMap': () => _NamedNodeMap,
+  'Navigator': () => Navigator,
+  'NavigatorID': () => NavigatorID,
+  'NavigatorOnLine': () => NavigatorOnLine,
+  'NavigatorUserMediaError': () => NavigatorUserMediaError,
+  'Node': () => Node,
+  'NodeFilter': () => NodeFilter,
+  'NodeIterator': () => NodeIterator,
+  'NodeList': () => NodeList,
+  'Notation': () => _Notation,
+  'Notification': () => Notification,
+  'NotificationCenter': () => _NotificationCenter,
+  'OverflowEvent': () => OverflowEvent,
+  'PagePopupController': () => _PagePopupController,
+  'PageTransitionEvent': () => PageTransitionEvent,
+  'ParentNode': () => ParentNode,
+  'Path': () => Path,
+  'Performance': () => Performance,
+  'PerformanceEntry': () => PerformanceEntry,
+  'PerformanceMark': () => PerformanceMark,
+  'PerformanceMeasure': () => PerformanceMeasure,
+  'PerformanceNavigation': () => PerformanceNavigation,
+  'PerformanceResourceTiming': () => PerformanceResourceTiming,
+  'PerformanceTiming': () => PerformanceTiming,
+  'Player': () => Player,
+  'Plugin': () => Plugin,
+  'PluginArray': () => PluginArray,
+  'PopStateEvent': () => PopStateEvent,
+  'PositionError': () => PositionError,
+  'ProcessingInstruction': () => ProcessingInstruction,
+  'ProgressEvent': () => ProgressEvent,
+  'RGBColor': () => _RGBColor,
+  'RTCDTMFSender': () => RtcDtmfSender,
+  'RTCDTMFToneChangeEvent': () => RtcDtmfToneChangeEvent,
+  'RTCDataChannel': () => RtcDataChannel,
+  'RTCDataChannelEvent': () => RtcDataChannelEvent,
+  'RTCIceCandidate': () => RtcIceCandidate,
+  'RTCIceCandidateEvent': () => RtcIceCandidateEvent,
+  'RTCPeerConnection': () => RtcPeerConnection,
+  'RTCSessionDescription': () => RtcSessionDescription,
+  'RTCStatsReport': () => RtcStatsReport,
+  'RTCStatsResponse': () => RtcStatsResponse,
+  'RadioNodeList': () => _RadioNodeList,
+  'Range': () => Range,
+  'Rect': () => _Rect,
+  'ResourceProgressEvent': () => ResourceProgressEvent,
+  'Screen': () => Screen,
+  'SecurityPolicyViolationEvent': () => SecurityPolicyViolationEvent,
+  'Selection': () => Selection,
+  'ServiceWorker': () => _ServiceWorker,
+  'ServiceWorkerContainer': () => ServiceWorkerContainer,
+  'ServiceWorkerGlobalScope': () => ServiceWorkerGlobalScope,
+  'ShadowRoot': () => ShadowRoot,
+  'SharedWorker': () => SharedWorker,
+  'SharedWorkerGlobalScope': () => SharedWorkerGlobalScope,
+  'SourceBuffer': () => SourceBuffer,
+  'SourceBufferList': () => SourceBufferList,
+  'SourceInfo': () => SourceInfo,
+  'SpeechGrammar': () => SpeechGrammar,
+  'SpeechGrammarList': () => SpeechGrammarList,
+  'SpeechInputEvent': () => SpeechInputEvent,
+  'SpeechInputResult': () => SpeechInputResult,
+  'SpeechInputResultList': () => _SpeechInputResultList,
+  'SpeechRecognition': () => SpeechRecognition,
+  'SpeechRecognitionAlternative': () => SpeechRecognitionAlternative,
+  'SpeechRecognitionError': () => SpeechRecognitionError,
+  'SpeechRecognitionEvent': () => SpeechRecognitionEvent,
+  'SpeechRecognitionResult': () => SpeechRecognitionResult,
+  'SpeechRecognitionResultList': () => _SpeechRecognitionResultList,
+  'SpeechSynthesis': () => SpeechSynthesis,
+  'SpeechSynthesisEvent': () => SpeechSynthesisEvent,
+  'SpeechSynthesisUtterance': () => SpeechSynthesisUtterance,
+  'SpeechSynthesisVoice': () => SpeechSynthesisVoice,
+  'Storage': () => Storage,
+  'StorageEvent': () => StorageEvent,
+  'StorageInfo': () => StorageInfo,
+  'StorageQuota': () => StorageQuota,
+  'Stream': () => FileStream,
+  'StyleMedia': () => StyleMedia,
+  'StyleSheet': () => StyleSheet,
+  'StyleSheetList': () => _StyleSheetList,
+  'SubtleCrypto': () => _SubtleCrypto,
+  'Text': () => Text,
+  'TextEvent': () => TextEvent,
+  'TextMetrics': () => TextMetrics,
+  'TextTrack': () => TextTrack,
+  'TextTrackCue': () => TextTrackCue,
+  'TextTrackCueList': () => TextTrackCueList,
+  'TextTrackList': () => TextTrackList,
+  'TimeRanges': () => TimeRanges,
+  'TimedItem': () => TimedItem,
+  'Timeline': () => Timeline,
+  'Timing': () => Timing,
+  'Touch': () => Touch,
+  'TouchEvent': () => TouchEvent,
+  'TouchList': () => TouchList,
+  'TrackEvent': () => TrackEvent,
+  'TransitionEvent': () => TransitionEvent,
+  'TreeWalker': () => TreeWalker,
+  'UIEvent': () => UIEvent,
+  'URL': () => Url,
+  'URLUtils': () => UrlUtils,
+  'URLUtilsReadOnly': () => UrlUtilsReadOnly,
+  'VTTCue': () => VttCue,
+  'VTTRegion': () => VttRegion,
+  'VTTRegionList': () => VttRegionList,
+  'ValidityState': () => ValidityState,
+  'VideoPlaybackQuality': () => VideoPlaybackQuality,
+  'WebKitAnimationEvent': () => AnimationEvent,
+  'WebKitCSSFilterRule': () => CssFilterRule,
+  'WebKitCSSFilterValue': () => _WebKitCSSFilterValue,
+  'WebKitCSSMatrix': () => _WebKitCSSMatrix,
+  'WebKitCSSTransformValue': () => _WebKitCSSTransformValue,
+  'WebKitMediaSource': () => _WebKitMediaSource,
+  'WebKitNotification': () => _WebKitNotification,
+  'WebKitPoint': () => _DomPoint,
+  'WebKitSourceBuffer': () => _WebKitSourceBuffer,
+  'WebKitSourceBufferList': () => _WebKitSourceBufferList,
+  'WebSocket': () => WebSocket,
+  'WheelEvent': () => WheelEvent,
+  'Window': () => Window,
+  'WindowBase64': () => WindowBase64,
+  'WindowEventHandlers': () => WindowEventHandlers,
+  'WindowTimers': () => _WindowTimers,
+  'Worker': () => Worker,
+  'WorkerConsole': () => WorkerConsole,
+  'WorkerCrypto': () => WorkerCrypto,
+  'WorkerGlobalScope': () => WorkerGlobalScope,
+  'WorkerLocation': () => _WorkerLocation,
+  'WorkerNavigator': () => _WorkerNavigator,
+  'WorkerPerformance': () => WorkerPerformance,
+  'XMLDocument': () => XmlDocument,
+  'XMLHttpRequest': () => HttpRequest,
+  'XMLHttpRequestEventTarget': () => HttpRequestEventTarget,
+  'XMLHttpRequestProgressEvent': () => _XMLHttpRequestProgressEvent,
+  'XMLHttpRequestUpload': () => HttpRequestUpload,
+  'XMLSerializer': () => XmlSerializer,
+  'XPathEvaluator': () => XPathEvaluator,
+  'XPathExpression': () => XPathExpression,
+  'XPathNSResolver': () => XPathNSResolver,
+  'XPathResult': () => XPathResult,
+  'XSLTProcessor': () => XsltProcessor,
 
   // FIXME: Temporary workaround.  The Blink name matches the Dart name
   // post Chrome 35.  We still generate the old mapping from 'Clipboard'.
-  'DataTransfer': DataTransfer,
+  'DataTransfer': () => DataTransfer,
 };
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a