Added Comment to dart:html

lib/runtime/dart/html.js

Index: lib/runtime/dart/html.js
diff --git a/lib/runtime/dart/html.js b/lib/runtime/dart/html.js
index 0fbb0fefa719245f82ec80fe4367dcbedd9e078c..91a71ef3f502e6119c789d017939b5160698b697 100644
--- a/lib/runtime/dart/html.js
+++ b/lib/runtime/dart/html.js
@@ -1877,6 +1877,35 @@ dart_library.library('dart/html', null, /* Imports */[
     methods: () => ({remove: [dart.void, []]})
   });
   ChildNode[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('ChildNode')), dart.const(new _metadata.Experimental())];
+  class Comment extends CharacterData {
+    static new(data) {
+      if (data === void 0) data = null;
+      if (data != null) {
+        return dart.as(wrap_jso(exports.document.raw.createComment(data)), Comment);
+      }
+      return dart.as(wrap_jso(exports.document.raw.createComment("")), Comment);
+    }
+    static _() {
+      dart.throw(new core.UnsupportedError("Not supported"));
+    }
+    static internalCreateComment() {
+      return new Comment.internal_();
+    }
+    internal_() {
+      super.internal_();
+    }
+  }
+  dart.defineNamedConstructor(Comment, 'internal_');
+  dart.setSignature(Comment, {
+    constructors: () => ({
+      new: [Comment, [], [core.String]],
+      _: [Comment, []],
+      internal_: [Comment, []]
+    }),
+    statics: () => ({internalCreateComment: [Comment, []]}),
+    names: ['internalCreateComment']
+  });
+  Comment[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('Comment')), dart.const(new _js_helper.Native("Comment"))];
   const _isConsoleDefined = Symbol('_isConsoleDefined');
   class Console extends DartHtmlDomObject {
     _safe() {
@@ -12435,7 +12464,7 @@ dart_library.library('dart/html', null, /* Imports */[
       name = constructor.name;
       f = getHtmlCreateFunction(name);
       if (f == null) {
-        dart.dsend(/* Unimplemented unknown name */console, 'warn', `Could not instantiate ${name}`);
+        dart.dsend(/* Unimplemented unknown name */console, 'error', `Could not instantiate ${name}`);
         skip = true;
         constructor = constructor.__proto__;
       }
@@ -12455,10 +12484,10 @@ dart_library.library('dart/html', null, /* Imports */[
   dart.fn(createCustomUpgrader, dart.dynamic, [core.Type, dart.dynamic]);
   dart.defineLazyProperties(exports, {
     get htmlBlinkMap() {
-      return dart.map({_HistoryCrossFrame: dart.fn(() => _HistoryCrossFrame, core.Type, []), _LocationCrossFrame: dart.fn(() => _LocationCrossFrame, core.Type, []), _DOMWindowCrossFrame: dart.fn(() => _DOMWindowCrossFrame, core.Type, []), DateTime: dart.fn(() => core.DateTime, core.Type, []), JsObject: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsObjectImpl')), JsFunction: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsFunctionImpl')), JsArray: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsArrayImpl')), Attr: dart.fn(() => _Attr, core.Type, []), CSSStyleDeclaration: dart.fn(() => CssStyleDeclaration, core.Type, []), CharacterData: dart.fn(() => CharacterData, core.Type, []), ChildNode: dart.fn(() => ChildNode, core.Type, []), ClientRect: dart.fn(() => _ClientRect, core.Type, []), Console: dart.fn(() => Console, core.Type, []), ConsoleBase: dart.fn(() => ConsoleBase, core.Type, []), DOMImplementation: dart.fn(() => DomImplementation, core.Type, []), DOMTokenList: dart.fn(() => DomTokenList, core.Type, []), Document: dart.fn(() => Document, core.Type, []), DocumentFragment: dart.fn(() => DocumentFragment, core.Type, []), Element: dart.fn(() => Element, core.Type, []), Event: dart.fn(() => Event, core.Type, []), EventTarget: dart.fn(() => EventTarget, core.Type, []), HTMLAnchorElement: dart.fn(() => AnchorElement, core.Type, []), HTMLBaseElement: dart.fn(() => BaseElement, core.Type, []), HTMLBodyElement: dart.fn(() => BodyElement, core.Type, []), HTMLCollection: dart.fn(() => HtmlCollection, core.Type, []), HTMLDivElement: dart.fn(() => DivElement, core.Type, []), HTMLDocument: dart.fn(() => HtmlDocument, core.Type, []), HTMLElement: dart.fn(() => HtmlElement, core.Type, []), HTMLHeadElement: dart.fn(() => HeadElement, core.Type, []), HTMLInputElement: dart.fn(() => InputElement, core.Type, []), HTMLStyleElement: dart.fn(() => StyleElement, core.Type, []), HTMLTemplateElement: dart.fn(() => TemplateElement, core.Type, []), History: dart.fn(() => History, core.Type, []), KeyboardEvent: dart.fn(() => KeyboardEvent, core.Type, []), Location: dart.fn(() => Location, core.Type, []), MouseEvent: dart.fn(() => MouseEvent, core.Type, []), NamedNodeMap: dart.fn(() => _NamedNodeMap, core.Type, []), Navigator: dart.fn(() => Navigator, core.Type, []), NavigatorCPU: dart.fn(() => NavigatorCpu, core.Type, []), Node: dart.fn(() => Node, core.Type, []), NodeList: dart.fn(() => NodeList, core.Type, []), ParentNode: dart.fn(() => ParentNode, core.Type, []), ProgressEvent: dart.fn(() => ProgressEvent, core.Type, []), Range: dart.fn(() => Range, core.Type, []), ShadowRoot: dart.fn(() => ShadowRoot, core.Type, []), Text: dart.fn(() => Text, core.Type, []), UIEvent: dart.fn(() => UIEvent, core.Type, []), URLUtils: dart.fn(() => UrlUtils, core.Type, []), Window: dart.fn(() => Window, core.Type, []), XMLHttpRequest: dart.fn(() => HttpRequest, core.Type, []), XMLHttpRequestEventTarget: dart.fn(() => HttpRequestEventTarget, core.Type, []), XMLHttpRequestProgressEvent: dart.fn(() => _XMLHttpRequestProgressEvent, core.Type, [])});
+      return dart.map({_HistoryCrossFrame: dart.fn(() => _HistoryCrossFrame, core.Type, []), _LocationCrossFrame: dart.fn(() => _LocationCrossFrame, core.Type, []), _DOMWindowCrossFrame: dart.fn(() => _DOMWindowCrossFrame, core.Type, []), DateTime: dart.fn(() => core.DateTime, core.Type, []), JsObject: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsObjectImpl')), JsFunction: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsFunctionImpl')), JsArray: dart.fn(() => dart.dload(/* Unimplemented unknown name */js, 'JsArrayImpl')), Attr: dart.fn(() => _Attr, core.Type, []), CSSStyleDeclaration: dart.fn(() => CssStyleDeclaration, core.Type, []), CharacterData: dart.fn(() => CharacterData, core.Type, []), ChildNode: dart.fn(() => ChildNode, core.Type, []), ClientRect: dart.fn(() => _ClientRect, core.Type, []), Comment: dart.fn(() => Comment, core.Type, []), Console: dart.fn(() => Console, core.Type, []), ConsoleBase: dart.fn(() => ConsoleBase, core.Type, []), DOMImplementation: dart.fn(() => DomImplementation, core.Type, []), DOMTokenList: dart.fn(() => DomTokenList, core.Type, []), Document: dart.fn(() => Document, core.Type, []), DocumentFragment: dart.fn(() => DocumentFragment, core.Type, []), Element: dart.fn(() => Element, core.Type, []), Event: dart.fn(() => Event, core.Type, []), EventTarget: dart.fn(() => EventTarget, core.Type, []), HTMLAnchorElement: dart.fn(() => AnchorElement, core.Type, []), HTMLBaseElement: dart.fn(() => BaseElement, core.Type, []), HTMLBodyElement: dart.fn(() => BodyElement, core.Type, []), HTMLCollection: dart.fn(() => HtmlCollection, core.Type, []), HTMLDivElement: dart.fn(() => DivElement, core.Type, []), HTMLDocument: dart.fn(() => HtmlDocument, core.Type, []), HTMLElement: dart.fn(() => HtmlElement, core.Type, []), HTMLHeadElement: dart.fn(() => HeadElement, core.Type, []), HTMLInputElement: dart.fn(() => InputElement, core.Type, []), HTMLStyleElement: dart.fn(() => StyleElement, core.Type, []), HTMLTemplateElement: dart.fn(() => TemplateElement, core.Type, []), History: dart.fn(() => History, core.Type, []), KeyboardEvent: dart.fn(() => KeyboardEvent, core.Type, []), Location: dart.fn(() => Location, core.Type, []), MouseEvent: dart.fn(() => MouseEvent, core.Type, []), NamedNodeMap: dart.fn(() => _NamedNodeMap, core.Type, []), Navigator: dart.fn(() => Navigator, core.Type, []), NavigatorCPU: dart.fn(() => NavigatorCpu, core.Type, []), Node: dart.fn(() => Node, core.Type, []), NodeList: dart.fn(() => NodeList, core.Type, []), ParentNode: dart.fn(() => ParentNode, core.Type, []), ProgressEvent: dart.fn(() => ProgressEvent, core.Type, []), Range: dart.fn(() => Range, core.Type, []), ShadowRoot: dart.fn(() => ShadowRoot, core.Type, []), Text: dart.fn(() => Text, core.Type, []), UIEvent: dart.fn(() => UIEvent, core.Type, []), URLUtils: dart.fn(() => UrlUtils, core.Type, []), Window: dart.fn(() => Window, core.Type, []), XMLHttpRequest: dart.fn(() => HttpRequest, core.Type, []), XMLHttpRequestEventTarget: dart.fn(() => HttpRequestEventTarget, core.Type, []), XMLHttpRequestProgressEvent: dart.fn(() => _XMLHttpRequestProgressEvent, core.Type, [])});
     },
     get htmlBlinkFunctionMap() {
-      return dart.map({Attr: dart.fn(() => _Attr.internalCreate_Attr, dart.functionType(_Attr, []), []), CSSStyleDeclaration: dart.fn(() => CssStyleDeclaration.internalCreateCssStyleDeclaration, dart.functionType(CssStyleDeclaration, []), []), CharacterData: dart.fn(() => CharacterData.internalCreateCharacterData, dart.functionType(CharacterData, []), []), ClientRect: dart.fn(() => _ClientRect.internalCreate_ClientRect, dart.functionType(_ClientRect, []), []), Console: dart.fn(() => Console.internalCreateConsole, dart.functionType(Console, []), []), ConsoleBase: dart.fn(() => ConsoleBase.internalCreateConsoleBase, dart.functionType(ConsoleBase, []), []), DOMImplementation: dart.fn(() => DomImplementation.internalCreateDomImplementation, dart.functionType(DomImplementation, []), []), DOMTokenList: dart.fn(() => DomTokenList.internalCreateDomTokenList, dart.functionType(DomTokenList, []), []), Document: dart.fn(() => Document.internalCreateDocument, dart.functionType(Document, []), []), DocumentFragment: dart.fn(() => DocumentFragment.internalCreateDocumentFragment, dart.functionType(DocumentFragment, []), []), Element: dart.fn(() => Element.internalCreateElement, dart.functionType(Element, []), []), Event: dart.fn(() => Event.internalCreateEvent, dart.functionType(Event, []), []), EventTarget: dart.fn(() => EventTarget.internalCreateEventTarget, dart.functionType(EventTarget, []), []), HTMLAnchorElement: dart.fn(() => AnchorElement.internalCreateAnchorElement, dart.functionType(AnchorElement, []), []), HTMLBaseElement: dart.fn(() => BaseElement.internalCreateBaseElement, dart.functionType(BaseElement, []), []), HTMLBodyElement: dart.fn(() => BodyElement.internalCreateBodyElement, dart.functionType(BodyElement, []), []), HTMLCollection: dart.fn(() => HtmlCollection.internalCreateHtmlCollection, dart.functionType(HtmlCollection, []), []), HTMLDivElement: dart.fn(() => DivElement.internalCreateDivElement, dart.functionType(DivElement, []), []), HTMLDocument: dart.fn(() => HtmlDocument.internalCreateHtmlDocument, dart.functionType(HtmlDocument, []), []), HTMLElement: dart.fn(() => HtmlElement.internalCreateHtmlElement, dart.functionType(HtmlElement, []), []), HTMLHeadElement: dart.fn(() => HeadElement.internalCreateHeadElement, dart.functionType(HeadElement, []), []), HTMLInputElement: dart.fn(() => InputElement.internalCreateInputElement, dart.functionType(InputElement, []), []), HTMLStyleElement: dart.fn(() => StyleElement.internalCreateStyleElement, dart.functionType(StyleElement, []), []), HTMLTemplateElement: dart.fn(() => TemplateElement.internalCreateTemplateElement, dart.functionType(TemplateElement, []), []), History: dart.fn(() => History.internalCreateHistory, dart.functionType(History, []), []), KeyboardEvent: dart.fn(() => KeyboardEvent.internalCreateKeyboardEvent, dart.functionType(KeyboardEvent, []), []), Location: dart.fn(() => Location.internalCreateLocation, dart.functionType(Location, []), []), MouseEvent: dart.fn(() => MouseEvent.internalCreateMouseEvent, dart.functionType(MouseEvent, []), []), NamedNodeMap: dart.fn(() => _NamedNodeMap.internalCreate_NamedNodeMap, dart.functionType(_NamedNodeMap, []), []), Navigator: dart.fn(() => Navigator.internalCreateNavigator, dart.functionType(Navigator, []), []), Node: dart.fn(() => Node.internalCreateNode, dart.functionType(Node, []), []), NodeList: dart.fn(() => NodeList.internalCreateNodeList, dart.functionType(NodeList, []), []), ProgressEvent: dart.fn(() => ProgressEvent.internalCreateProgressEvent, dart.functionType(ProgressEvent, []), []), Range: dart.fn(() => Range.internalCreateRange, dart.functionType(Range, []), []), ShadowRoot: dart.fn(() => ShadowRoot.internalCreateShadowRoot, dart.functionType(ShadowRoot, []), []), Text: dart.fn(() => Text.internalCreateText, dart.functionType(Text, []), []), UIEvent: dart.fn(() => UIEvent.internalCreateUIEvent, dart.functionType(UIEvent, []), []), Window: dart.fn(() => Window.internalCreateWindow, dart.functionType(Window, []), []), XMLHttpRequest: dart.fn(() => HttpRequest.internalCreateHttpRequest, dart.functionType(HttpRequest, []), []), XMLHttpRequestEventTarget: dart.fn(() => HttpRequestEventTarget.internalCreateHttpRequestEventTarget, dart.functionType(HttpRequestEventTarget, []), []), XMLHttpRequestProgressEvent: dart.fn(() => _XMLHttpRequestProgressEvent.internalCreate_XMLHttpRequestProgressEvent, dart.functionType(_XMLHttpRequestProgressEvent, []), [])});
+      return dart.map({Attr: dart.fn(() => _Attr.internalCreate_Attr, dart.functionType(_Attr, []), []), CSSStyleDeclaration: dart.fn(() => CssStyleDeclaration.internalCreateCssStyleDeclaration, dart.functionType(CssStyleDeclaration, []), []), CharacterData: dart.fn(() => CharacterData.internalCreateCharacterData, dart.functionType(CharacterData, []), []), ClientRect: dart.fn(() => _ClientRect.internalCreate_ClientRect, dart.functionType(_ClientRect, []), []), Comment: dart.fn(() => Comment.internalCreateComment, dart.functionType(Comment, []), []), Console: dart.fn(() => Console.internalCreateConsole, dart.functionType(Console, []), []), ConsoleBase: dart.fn(() => ConsoleBase.internalCreateConsoleBase, dart.functionType(ConsoleBase, []), []), DOMImplementation: dart.fn(() => DomImplementation.internalCreateDomImplementation, dart.functionType(DomImplementation, []), []), DOMTokenList: dart.fn(() => DomTokenList.internalCreateDomTokenList, dart.functionType(DomTokenList, []), []), Document: dart.fn(() => Document.internalCreateDocument, dart.functionType(Document, []), []), DocumentFragment: dart.fn(() => DocumentFragment.internalCreateDocumentFragment, dart.functionType(DocumentFragment, []), []), Element: dart.fn(() => Element.internalCreateElement, dart.functionType(Element, []), []), Event: dart.fn(() => Event.internalCreateEvent, dart.functionType(Event, []), []), EventTarget: dart.fn(() => EventTarget.internalCreateEventTarget, dart.functionType(EventTarget, []), []), HTMLAnchorElement: dart.fn(() => AnchorElement.internalCreateAnchorElement, dart.functionType(AnchorElement, []), []), HTMLBaseElement: dart.fn(() => BaseElement.internalCreateBaseElement, dart.functionType(BaseElement, []), []), HTMLBodyElement: dart.fn(() => BodyElement.internalCreateBodyElement, dart.functionType(BodyElement, []), []), HTMLCollection: dart.fn(() => HtmlCollection.internalCreateHtmlCollection, dart.functionType(HtmlCollection, []), []), HTMLDivElement: dart.fn(() => DivElement.internalCreateDivElement, dart.functionType(DivElement, []), []), HTMLDocument: dart.fn(() => HtmlDocument.internalCreateHtmlDocument, dart.functionType(HtmlDocument, []), []), HTMLElement: dart.fn(() => HtmlElement.internalCreateHtmlElement, dart.functionType(HtmlElement, []), []), HTMLHeadElement: dart.fn(() => HeadElement.internalCreateHeadElement, dart.functionType(HeadElement, []), []), HTMLInputElement: dart.fn(() => InputElement.internalCreateInputElement, dart.functionType(InputElement, []), []), HTMLStyleElement: dart.fn(() => StyleElement.internalCreateStyleElement, dart.functionType(StyleElement, []), []), HTMLTemplateElement: dart.fn(() => TemplateElement.internalCreateTemplateElement, dart.functionType(TemplateElement, []), []), History: dart.fn(() => History.internalCreateHistory, dart.functionType(History, []), []), KeyboardEvent: dart.fn(() => KeyboardEvent.internalCreateKeyboardEvent, dart.functionType(KeyboardEvent, []), []), Location: dart.fn(() => Location.internalCreateLocation, dart.functionType(Location, []), []), MouseEvent: dart.fn(() => MouseEvent.internalCreateMouseEvent, dart.functionType(MouseEvent, []), []), NamedNodeMap: dart.fn(() => _NamedNodeMap.internalCreate_NamedNodeMap, dart.functionType(_NamedNodeMap, []), []), Navigator: dart.fn(() => Navigator.internalCreateNavigator, dart.functionType(Navigator, []), []), Node: dart.fn(() => Node.internalCreateNode, dart.functionType(Node, []), []), NodeList: dart.fn(() => NodeList.internalCreateNodeList, dart.functionType(NodeList, []), []), ProgressEvent: dart.fn(() => ProgressEvent.internalCreateProgressEvent, dart.functionType(ProgressEvent, []), []), Range: dart.fn(() => Range.internalCreateRange, dart.functionType(Range, []), []), ShadowRoot: dart.fn(() => ShadowRoot.internalCreateShadowRoot, dart.functionType(ShadowRoot, []), []), Text: dart.fn(() => Text.internalCreateText, dart.functionType(Text, []), []), UIEvent: dart.fn(() => UIEvent.internalCreateUIEvent, dart.functionType(UIEvent, []), []), Window: dart.fn(() => Window.internalCreateWindow, dart.functionType(Window, []), []), XMLHttpRequest: dart.fn(() => HttpRequest.internalCreateHttpRequest, dart.functionType(HttpRequest, []), []), XMLHttpRequestEventTarget: dart.fn(() => HttpRequestEventTarget.internalCreateHttpRequestEventTarget, dart.functionType(HttpRequestEventTarget, []), []), XMLHttpRequestProgressEvent: dart.fn(() => _XMLHttpRequestProgressEvent.internalCreate_XMLHttpRequestProgressEvent, dart.functionType(_XMLHttpRequestProgressEvent, []), [])});
     }
   });
   function getHtmlCreateFunction(key) {
@@ -12493,6 +12522,7 @@ dart_library.library('dart/html', null, /* Imports */[
   exports.Event = Event;
   exports.CharacterData = CharacterData;
   exports.ChildNode = ChildNode;
+  exports.Comment = Comment;
   exports.Console = Console;
   exports.ConsoleBase = ConsoleBase;
   exports.CssStyleDeclarationBase = CssStyleDeclarationBase;