a few small refactorings to closure workarounds

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 3b18e9801042593afbc64534a2a32dcfde760853..19564ec0521dd6fb1cf392d3c207bad4e728c549 100644
--- a/lib/runtime/dart/html.js
+++ b/lib/runtime/dart/html.js
@@ -1,8 +1,8 @@
 dart_library.library('dart/html', null, /* Imports */[
   'dart/_runtime',
   'dart/math',
-  'dart/_interceptors',
   'dart/core',
+  'dart/_interceptors',
   'dart/_metadata',
   'dart/_js_helper',
   'dart/async',
@@ -16,7 +16,7 @@ dart_library.library('dart/html', null, /* Imports */[
   'dart/svg',
   'dart/web_sql',
   'dart/indexed_db'
-], function(exports, dart, math, _interceptors, core, _metadata, _js_helper, async, isolate, typed_data, _foreign_helper, collection, html_common, web_gl, svg, web_sql, indexed_db) {
+], function(exports, dart, math, core, _interceptors, _metadata, _js_helper, async, isolate, typed_data, _foreign_helper, collection, html_common, web_gl, svg, web_sql, indexed_db) {
   'use strict';
   let dartx = dart.dartx;
   dart.export(exports, math, ['Rectangle', 'Point'], []);
@@ -28,6 +28,47 @@ dart_library.library('dart/html', null, /* Imports */[
       return dart.as(document, HtmlDocument);
     }
   });
+  const _xtag = Symbol('_xtag');
+  const _attributes = Symbol('_attributes');
+  const _clientHeight = Symbol('_clientHeight');
+  const _clientLeft = Symbol('_clientLeft');
+  const _clientTop = Symbol('_clientTop');
+  const _clientWidth = Symbol('_clientWidth');
+  const _innerHtml = Symbol('_innerHtml');
+  const _offsetHeight = Symbol('_offsetHeight');
+  const _offsetLeft = Symbol('_offsetLeft');
+  const _offsetTop = Symbol('_offsetTop');
+  const _offsetWidth = Symbol('_offsetWidth');
+  const _scrollHeight = Symbol('_scrollHeight');
+  const _scrollLeft = Symbol('_scrollLeft');
+  const _scrollTop = Symbol('_scrollTop');
+  const _scrollWidth = Symbol('_scrollWidth');
+  const _childElementCount = Symbol('_childElementCount');
+  const _children = Symbol('_children');
+  const _firstElementChild = Symbol('_firstElementChild');
+  const _lastElementChild = Symbol('_lastElementChild');
+  const _querySelectorAll = Symbol('_querySelectorAll');
+  const _getComputedStyle = Symbol('_getComputedStyle');
+  const _animate = Symbol('_animate');
+  const _localName = Symbol('_localName');
+  const _namespaceUri = Symbol('_namespaceUri');
+  const _scrollIntoView = Symbol('_scrollIntoView');
+  const _scrollIntoViewIfNeeded = Symbol('_scrollIntoViewIfNeeded');
+  const _insertAdjacentText = Symbol('_insertAdjacentText');
+  const _insertAdjacentNode = Symbol('_insertAdjacentNode');
+  const _insertAdjacentHtml = Symbol('_insertAdjacentHtml');
+  const _insertAdjacentElement = Symbol('_insertAdjacentElement');
+  const _canBeUsedToCreateContextualFragment = Symbol('_canBeUsedToCreateContextualFragment');
+  const _cannotBeUsedToCreateContextualFragment = Symbol('_cannotBeUsedToCreateContextualFragment');
+  const _getElementsByTagName = Symbol('_getElementsByTagName');
+  const _hasAttribute = Symbol('_hasAttribute');
+  const _hasAttributeNS = Symbol('_hasAttributeNS');
+  const _removeAttribute = Symbol('_removeAttribute');
+  const _removeAttributeNS = Symbol('_removeAttributeNS');
+  const _removeChild = Symbol('_removeChild');
+  const _replaceChild = Symbol('_replaceChild');
+  const _this = Symbol('_this');
+  const _clearChildren = Symbol('_clearChildren');
   const _addEventListener = Symbol('_addEventListener');
   const _removeEventListener = Symbol('_removeEventListener');
   dart.defineExtensionNames([
@@ -84,12 +125,6 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   EventTarget[dart.metadata] = () => [dart.const(new _metadata.DomName('EventTarget')), dart.const(new _js_helper.Native("EventTarget"))];
   dart.registerExtension(dart.global.EventTarget, EventTarget);
-  const _localName = Symbol('_localName');
-  const _namespaceUri = Symbol('_namespaceUri');
-  const _removeChild = Symbol('_removeChild');
-  const _replaceChild = Symbol('_replaceChild');
-  const _this = Symbol('_this');
-  const _clearChildren = Symbol('_clearChildren');
   dart.defineExtensionNames([
     'nodes',
     'nodes',
@@ -292,41 +327,6 @@ dart_library.library('dart/html', null, /* Imports */[
   Node.PROCESSING_INSTRUCTION_NODE = 7;
   Node.TEXT_NODE = 3;
   dart.registerExtension(dart.global.Node, Node);
-  const _xtag = Symbol('_xtag');
-  const _attributes = Symbol('_attributes');
-  const _clientHeight = Symbol('_clientHeight');
-  const _clientLeft = Symbol('_clientLeft');
-  const _clientTop = Symbol('_clientTop');
-  const _clientWidth = Symbol('_clientWidth');
-  const _innerHtml = Symbol('_innerHtml');
-  const _offsetHeight = Symbol('_offsetHeight');
-  const _offsetLeft = Symbol('_offsetLeft');
-  const _offsetTop = Symbol('_offsetTop');
-  const _offsetWidth = Symbol('_offsetWidth');
-  const _scrollHeight = Symbol('_scrollHeight');
-  const _scrollLeft = Symbol('_scrollLeft');
-  const _scrollTop = Symbol('_scrollTop');
-  const _scrollWidth = Symbol('_scrollWidth');
-  const _childElementCount = Symbol('_childElementCount');
-  const _children = Symbol('_children');
-  const _firstElementChild = Symbol('_firstElementChild');
-  const _lastElementChild = Symbol('_lastElementChild');
-  const _querySelectorAll = Symbol('_querySelectorAll');
-  const _getComputedStyle = Symbol('_getComputedStyle');
-  const _animate = Symbol('_animate');
-  const _scrollIntoView = Symbol('_scrollIntoView');
-  const _scrollIntoViewIfNeeded = Symbol('_scrollIntoViewIfNeeded');
-  const _insertAdjacentText = Symbol('_insertAdjacentText');
-  const _insertAdjacentNode = Symbol('_insertAdjacentNode');
-  const _insertAdjacentHtml = Symbol('_insertAdjacentHtml');
-  const _insertAdjacentElement = Symbol('_insertAdjacentElement');
-  const _canBeUsedToCreateContextualFragment = Symbol('_canBeUsedToCreateContextualFragment');
-  const _cannotBeUsedToCreateContextualFragment = Symbol('_cannotBeUsedToCreateContextualFragment');
-  const _getElementsByTagName = Symbol('_getElementsByTagName');
-  const _hasAttribute = Symbol('_hasAttribute');
-  const _hasAttributeNS = Symbol('_hasAttributeNS');
-  const _removeAttribute = Symbol('_removeAttribute');
-  const _removeAttributeNS = Symbol('_removeAttributeNS');
   dart.defineExtensionNames([
     'attributes',
     'attributes',
@@ -3599,6 +3599,7 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   ButtonElement[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('HTMLButtonElement')), dart.const(new _js_helper.Native("HTMLButtonElement"))];
   dart.registerExtension(dart.global.HTMLButtonElement, ButtonElement);
+  const _createTextNode = Symbol('_createTextNode');
   dart.defineExtensionNames([
     'appendData',
     'deleteData',
@@ -3658,7 +3659,6 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   CharacterData[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('CharacterData')), dart.const(new _js_helper.Native("CharacterData"))];
   dart.registerExtension(dart.global.CharacterData, CharacterData);
-  const _createTextNode = Symbol('_createTextNode');
   dart.defineExtensionNames([
     'getDestinationInsertionPoints',
     'splitText',
@@ -4553,6 +4553,7 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   Comment[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('Comment')), dart.const(new _js_helper.Native("Comment"))];
   dart.registerExtension(dart.global.Comment, Comment);
+  const _initCompositionEvent = Symbol('_initCompositionEvent');
   const _initUIEvent = Symbol('_initUIEvent');
   const _charCode = Symbol('_charCode');
   const _keyCode = Symbol('_keyCode');
@@ -4633,7 +4634,6 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   UIEvent[dart.metadata] = () => [dart.const(new _metadata.DomName('UIEvent')), dart.const(new _js_helper.Native("UIEvent"))];
   dart.registerExtension(dart.global.UIEvent, UIEvent);
-  const _initCompositionEvent = Symbol('_initCompositionEvent');
   dart.defineExtensionNames([
     'getSegments',
     'activeSegmentEnd',
@@ -5302,6 +5302,102 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   CssPageRule[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('CSSPageRule')), dart.const(new _js_helper.Native("CSSPageRule"))];
   dart.registerExtension(dart.global.CSSPageRule, CssPageRule);
+  const _getPropertyValueHelper = Symbol('_getPropertyValueHelper');
+  const _supportsProperty = Symbol('_supportsProperty');
+  const _getPropertyValue = Symbol('_getPropertyValue');
+  const _setPropertyHelper = Symbol('_setPropertyHelper');
+  const _browserPropertyName = Symbol('_browserPropertyName');
+  const __setter__ = Symbol('__setter__');
+  const _background = Symbol('_background');
+  const _backgroundAttachment = Symbol('_backgroundAttachment');
+  const _backgroundColor = Symbol('_backgroundColor');
+  const _backgroundImage = Symbol('_backgroundImage');
+  const _backgroundPosition = Symbol('_backgroundPosition');
+  const _backgroundRepeat = Symbol('_backgroundRepeat');
+  const _border = Symbol('_border');
+  const _borderBottom = Symbol('_borderBottom');
+  const _borderBottomColor = Symbol('_borderBottomColor');
+  const _borderBottomStyle = Symbol('_borderBottomStyle');
+  const _borderBottomWidth = Symbol('_borderBottomWidth');
+  const _borderCollapse = Symbol('_borderCollapse');
+  const _borderColor = Symbol('_borderColor');
+  const _borderLeft = Symbol('_borderLeft');
+  const _borderLeftColor = Symbol('_borderLeftColor');
+  const _borderLeftStyle = Symbol('_borderLeftStyle');
+  const _borderLeftWidth = Symbol('_borderLeftWidth');
+  const _borderRight = Symbol('_borderRight');
+  const _borderRightColor = Symbol('_borderRightColor');
+  const _borderRightStyle = Symbol('_borderRightStyle');
+  const _borderRightWidth = Symbol('_borderRightWidth');
+  const _borderSpacing = Symbol('_borderSpacing');
+  const _borderStyle = Symbol('_borderStyle');
+  const _borderTop = Symbol('_borderTop');
+  const _borderTopColor = Symbol('_borderTopColor');
+  const _borderTopStyle = Symbol('_borderTopStyle');
+  const _borderTopWidth = Symbol('_borderTopWidth');
+  const _borderWidth = Symbol('_borderWidth');
+  const _bottom = Symbol('_bottom');
+  const _captionSide = Symbol('_captionSide');
+  const _clear = Symbol('_clear');
+  const _clip = Symbol('_clip');
+  const _color = Symbol('_color');
+  const _content = Symbol('_content');
+  const _cursor = Symbol('_cursor');
+  const _direction = Symbol('_direction');
+  const _display = Symbol('_display');
+  const _emptyCells = Symbol('_emptyCells');
+  const _font = Symbol('_font');
+  const _fontFamily = Symbol('_fontFamily');
+  const _fontSize = Symbol('_fontSize');
+  const _fontStyle = Symbol('_fontStyle');
+  const _fontVariant = Symbol('_fontVariant');
+  const _fontWeight = Symbol('_fontWeight');
+  const _height = Symbol('_height');
+  const _left = Symbol('_left');
+  const _letterSpacing = Symbol('_letterSpacing');
+  const _lineHeight = Symbol('_lineHeight');
+  const _listStyle = Symbol('_listStyle');
+  const _listStyleImage = Symbol('_listStyleImage');
+  const _listStylePosition = Symbol('_listStylePosition');
+  const _listStyleType = Symbol('_listStyleType');
+  const _margin = Symbol('_margin');
+  const _marginBottom = Symbol('_marginBottom');
+  const _marginLeft = Symbol('_marginLeft');
+  const _marginRight = Symbol('_marginRight');
+  const _marginTop = Symbol('_marginTop');
+  const _maxHeight = Symbol('_maxHeight');
+  const _maxWidth = Symbol('_maxWidth');
+  const _minHeight = Symbol('_minHeight');
+  const _minWidth = Symbol('_minWidth');
+  const _outline = Symbol('_outline');
+  const _outlineColor = Symbol('_outlineColor');
+  const _outlineStyle = Symbol('_outlineStyle');
+  const _outlineWidth = Symbol('_outlineWidth');
+  const _overflow = Symbol('_overflow');
+  const _padding = Symbol('_padding');
+  const _paddingBottom = Symbol('_paddingBottom');
+  const _paddingLeft = Symbol('_paddingLeft');
+  const _paddingRight = Symbol('_paddingRight');
+  const _paddingTop = Symbol('_paddingTop');
+  const _pageBreakAfter = Symbol('_pageBreakAfter');
+  const _pageBreakBefore = Symbol('_pageBreakBefore');
+  const _pageBreakInside = Symbol('_pageBreakInside');
+  const _position = Symbol('_position');
+  const _quotes = Symbol('_quotes');
+  const _right = Symbol('_right');
+  const _tableLayout = Symbol('_tableLayout');
+  const _textAlign = Symbol('_textAlign');
+  const _textDecoration = Symbol('_textDecoration');
+  const _textIndent = Symbol('_textIndent');
+  const _textTransform = Symbol('_textTransform');
+  const _top = Symbol('_top');
+  const _unicodeBidi = Symbol('_unicodeBidi');
+  const _verticalAlign = Symbol('_verticalAlign');
+  const _visibility = Symbol('_visibility');
+  const _whiteSpace = Symbol('_whiteSpace');
+  const _width = Symbol('_width');
+  const _wordSpacing = Symbol('_wordSpacing');
+  const _zIndex = Symbol('_zIndex');
   dart.defineExtensionNames([
     'alignContent',
     'alignContent',
@@ -8042,102 +8138,6 @@ dart_library.library('dart/html', null, /* Imports */[
       this[dartx.setProperty]('zoom', value, '');
     }
   }
-  const _getPropertyValueHelper = Symbol('_getPropertyValueHelper');
-  const _supportsProperty = Symbol('_supportsProperty');
-  const _getPropertyValue = Symbol('_getPropertyValue');
-  const _setPropertyHelper = Symbol('_setPropertyHelper');
-  const _browserPropertyName = Symbol('_browserPropertyName');
-  const __setter__ = Symbol('__setter__');
-  const _background = Symbol('_background');
-  const _backgroundAttachment = Symbol('_backgroundAttachment');
-  const _backgroundColor = Symbol('_backgroundColor');
-  const _backgroundImage = Symbol('_backgroundImage');
-  const _backgroundPosition = Symbol('_backgroundPosition');
-  const _backgroundRepeat = Symbol('_backgroundRepeat');
-  const _border = Symbol('_border');
-  const _borderBottom = Symbol('_borderBottom');
-  const _borderBottomColor = Symbol('_borderBottomColor');
-  const _borderBottomStyle = Symbol('_borderBottomStyle');
-  const _borderBottomWidth = Symbol('_borderBottomWidth');
-  const _borderCollapse = Symbol('_borderCollapse');
-  const _borderColor = Symbol('_borderColor');
-  const _borderLeft = Symbol('_borderLeft');
-  const _borderLeftColor = Symbol('_borderLeftColor');
-  const _borderLeftStyle = Symbol('_borderLeftStyle');
-  const _borderLeftWidth = Symbol('_borderLeftWidth');
-  const _borderRight = Symbol('_borderRight');
-  const _borderRightColor = Symbol('_borderRightColor');
-  const _borderRightStyle = Symbol('_borderRightStyle');
-  const _borderRightWidth = Symbol('_borderRightWidth');
-  const _borderSpacing = Symbol('_borderSpacing');
-  const _borderStyle = Symbol('_borderStyle');
-  const _borderTop = Symbol('_borderTop');
-  const _borderTopColor = Symbol('_borderTopColor');
-  const _borderTopStyle = Symbol('_borderTopStyle');
-  const _borderTopWidth = Symbol('_borderTopWidth');
-  const _borderWidth = Symbol('_borderWidth');
-  const _bottom = Symbol('_bottom');
-  const _captionSide = Symbol('_captionSide');
-  const _clear = Symbol('_clear');
-  const _clip = Symbol('_clip');
-  const _color = Symbol('_color');
-  const _content = Symbol('_content');
-  const _cursor = Symbol('_cursor');
-  const _direction = Symbol('_direction');
-  const _display = Symbol('_display');
-  const _emptyCells = Symbol('_emptyCells');
-  const _font = Symbol('_font');
-  const _fontFamily = Symbol('_fontFamily');
-  const _fontSize = Symbol('_fontSize');
-  const _fontStyle = Symbol('_fontStyle');
-  const _fontVariant = Symbol('_fontVariant');
-  const _fontWeight = Symbol('_fontWeight');
-  const _height = Symbol('_height');
-  const _left = Symbol('_left');
-  const _letterSpacing = Symbol('_letterSpacing');
-  const _lineHeight = Symbol('_lineHeight');
-  const _listStyle = Symbol('_listStyle');
-  const _listStyleImage = Symbol('_listStyleImage');
-  const _listStylePosition = Symbol('_listStylePosition');
-  const _listStyleType = Symbol('_listStyleType');
-  const _margin = Symbol('_margin');
-  const _marginBottom = Symbol('_marginBottom');
-  const _marginLeft = Symbol('_marginLeft');
-  const _marginRight = Symbol('_marginRight');
-  const _marginTop = Symbol('_marginTop');
-  const _maxHeight = Symbol('_maxHeight');
-  const _maxWidth = Symbol('_maxWidth');
-  const _minHeight = Symbol('_minHeight');
-  const _minWidth = Symbol('_minWidth');
-  const _outline = Symbol('_outline');
-  const _outlineColor = Symbol('_outlineColor');
-  const _outlineStyle = Symbol('_outlineStyle');
-  const _outlineWidth = Symbol('_outlineWidth');
-  const _overflow = Symbol('_overflow');
-  const _padding = Symbol('_padding');
-  const _paddingBottom = Symbol('_paddingBottom');
-  const _paddingLeft = Symbol('_paddingLeft');
-  const _paddingRight = Symbol('_paddingRight');
-  const _paddingTop = Symbol('_paddingTop');
-  const _pageBreakAfter = Symbol('_pageBreakAfter');
-  const _pageBreakBefore = Symbol('_pageBreakBefore');
-  const _pageBreakInside = Symbol('_pageBreakInside');
-  const _position = Symbol('_position');
-  const _quotes = Symbol('_quotes');
-  const _right = Symbol('_right');
-  const _tableLayout = Symbol('_tableLayout');
-  const _textAlign = Symbol('_textAlign');
-  const _textDecoration = Symbol('_textDecoration');
-  const _textIndent = Symbol('_textIndent');
-  const _textTransform = Symbol('_textTransform');
-  const _top = Symbol('_top');
-  const _unicodeBidi = Symbol('_unicodeBidi');
-  const _verticalAlign = Symbol('_verticalAlign');
-  const _visibility = Symbol('_visibility');
-  const _whiteSpace = Symbol('_whiteSpace');
-  const _width = Symbol('_width');
-  const _wordSpacing = Symbol('_wordSpacing');
-  const _zIndex = Symbol('_zIndex');
   dart.defineExtensionNames([
     'getPropertyValue',
     'supportsProperty',
@@ -10366,6 +10366,8 @@ dart_library.library('dart/html', null, /* Imports */[
   DataTransferItemList[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('DataTransferItemList')), dart.const(new _metadata.Experimental()), dart.const(new _js_helper.Native("DataTransferItemList"))];
   dart.registerExtension(dart.global.DataTransferItemList, DataTransferItemList);
   const DatabaseCallback = dart.typedef('DatabaseCallback', () => dart.functionType(dart.void, [web_sql.SqlDatabase]));
+  const _postMessage_1 = Symbol('_postMessage_1');
+  const _postMessage_2 = Symbol('_postMessage_2');
   const _webkitRequestFileSystem = Symbol('_webkitRequestFileSystem');
   const _webkitResolveLocalFileSystemUrl = Symbol('_webkitResolveLocalFileSystemUrl');
   const _clearInterval = Symbol('_clearInterval');
@@ -10502,8 +10504,6 @@ dart_library.library('dart/html', null, /* Imports */[
     }
   });
   dart.registerExtension(dart.global.WorkerGlobalScope, WorkerGlobalScope);
-  const _postMessage_1 = Symbol('_postMessage_1');
-  const _postMessage_2 = Symbol('_postMessage_2');
   dart.defineExtensionNames([
     'postMessage',
     'onMessage'
@@ -10828,6 +10828,19 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   DialogElement[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('HTMLDialogElement')), dart.const(new _metadata.Unstable()), dart.const(new _js_helper.Native("HTMLDialogElement"))];
   dart.registerExtension(dart.global.HTMLDialogElement, DialogElement);
+  const _getDirectory = Symbol('_getDirectory');
+  const _getFile = Symbol('_getFile');
+  const __getDirectory_1 = Symbol('__getDirectory_1');
+  const __getDirectory_2 = Symbol('__getDirectory_2');
+  const __getDirectory_3 = Symbol('__getDirectory_3');
+  const __getDirectory_4 = Symbol('__getDirectory_4');
+  const __getDirectory = Symbol('__getDirectory');
+  const __getFile_1 = Symbol('__getFile_1');
+  const __getFile_2 = Symbol('__getFile_2');
+  const __getFile_3 = Symbol('__getFile_3');
+  const __getFile_4 = Symbol('__getFile_4');
+  const __getFile = Symbol('__getFile');
+  const _removeRecursively = Symbol('_removeRecursively');
   const _copyTo = Symbol('_copyTo');
   const _getMetadata = Symbol('_getMetadata');
   const _getParent = Symbol('_getParent');
@@ -10949,19 +10962,6 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   Entry[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('Entry')), dart.const(new _metadata.Experimental()), dart.const(new _js_helper.Native("Entry"))];
   dart.registerExtension(dart.global.Entry, Entry);
-  const _getDirectory = Symbol('_getDirectory');
-  const _getFile = Symbol('_getFile');
-  const __getDirectory_1 = Symbol('__getDirectory_1');
-  const __getDirectory_2 = Symbol('__getDirectory_2');
-  const __getDirectory_3 = Symbol('__getDirectory_3');
-  const __getDirectory_4 = Symbol('__getDirectory_4');
-  const __getDirectory = Symbol('__getDirectory');
-  const __getFile_1 = Symbol('__getFile_1');
-  const __getFile_2 = Symbol('__getFile_2');
-  const __getFile_3 = Symbol('__getFile_3');
-  const __getFile_4 = Symbol('__getFile_4');
-  const __getFile = Symbol('__getFile');
-  const _removeRecursively = Symbol('_removeRecursively');
   dart.defineExtensionNames([
     'createDirectory',
     'getDirectory',
@@ -15969,6 +15969,7 @@ dart_library.library('dart/html', null, /* Imports */[
   });
   HtmlOptionsCollection[dart.metadata] = () => [dart.const(new _metadata.DocsEditable()), dart.const(new _metadata.DomName('HTMLOptionsCollection')), dart.const(new _js_helper.Native("HTMLOptionsCollection"))];
   dart.registerExtension(dart.global.HTMLOptionsCollection, HtmlOptionsCollection);
+  const _get_response = Symbol('_get_response');
   dart.defineExtensionNames([
     'onAbort',
     'onError',
@@ -16032,7 +16033,6 @@ dart_library.library('dart/html', null, /* Imports */[
     }
   });
   dart.registerExtension(dart.global.XMLHttpRequestEventTarget, HttpRequestEventTarget);
-  const _get_response = Symbol('_get_response');
   dart.defineExtensionNames([
     'responseHeaders',
     'open',
@@ -29171,6 +29171,7 @@ dart_library.library('dart/html', null, /* Imports */[
     }
   });
   dart.registerExtension(dart.global.Window, Window);
+  const _returnValue = Symbol('_returnValue');
   class _WrappedEvent extends core.Object {
     _WrappedEvent(wrapped) {
       this.wrapped = wrapped;
@@ -29269,7 +29270,6 @@ dart_library.library('dart/html', null, /* Imports */[
     _get_currentTarget,
     _get_target
   ]);
-  const _returnValue = Symbol('_returnValue');
   class _BeforeUnloadEvent extends _WrappedEvent {
     _BeforeUnloadEvent(base) {
       this[_returnValue] = null;
@@ -32212,10 +32212,10 @@ dart_library.library('dart/html', null, /* Imports */[
     return _CustomEventStreamImpl;
   });
   let _CustomEventStreamImpl = _CustomEventStreamImpl$();
+  const _parent = Symbol('_parent');
   const _shadowKeyCode = Symbol('_shadowKeyCode');
   const _shadowCharCode = Symbol('_shadowCharCode');
   const _shadowAltKey = Symbol('_shadowAltKey');
-  const _parent = Symbol('_parent');
   const _realKeyCode = Symbol('_realKeyCode');
   const _realCharCode = Symbol('_realCharCode');
   const _realAltKey = Symbol('_realAltKey');