pkg/dev_compiler/lib/js/legacy/dart_sdk.js

Index: pkg/dev_compiler/lib/js/legacy/dart_sdk.js
diff --git a/pkg/dev_compiler/lib/js/legacy/dart_sdk.js b/pkg/dev_compiler/lib/js/legacy/dart_sdk.js
index ca3e10c5c7240dd2a1f61cf9b5939c62dfd18206..59a6df13eec330f5d882fdd30536587f893b5d61 100644
--- a/pkg/dev_compiler/lib/js/legacy/dart_sdk.js
+++ b/pkg/dev_compiler/lib/js/legacy/dart_sdk.js
@@ -53783,10 +53783,10 @@ dart_library.library('dart_sdk', null, /* Imports */[
         return new (RectangleOfT())(left, top, width, height);
       }
     }
-    const left$ = Symbol(Rectangle.name + "." + 'left'.toString());
-    const top$ = Symbol(Rectangle.name + "." + 'top'.toString());
-    const width$ = Symbol(Rectangle.name + "." + 'width'.toString());
-    const height$ = Symbol(Rectangle.name + "." + 'height'.toString());
+    const left$ = Symbol("Rectangle.left");
+    const top$ = Symbol("Rectangle.top");
+    const width$ = Symbol("Rectangle.width");
+    const height$ = Symbol("Rectangle.height");
     dart.setSignature(Rectangle, {
       constructors: () => ({
         new: dart.definiteFunctionType(math.Rectangle$(T), [T, T, T, T]),
@@ -53853,8 +53853,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
         this[_height] = height;
       }
     }
-    const left$ = Symbol(MutableRectangle.name + "." + 'left'.toString());
-    const top$ = Symbol(MutableRectangle.name + "." + 'top'.toString());
+    const left$ = Symbol("MutableRectangle.left");
+    const top$ = Symbol("MutableRectangle.top");
     MutableRectangle[dart.implements] = () => [RectangleOfT()];
     dart.setSignature(MutableRectangle, {
       constructors: () => ({
@@ -77259,12 +77259,12 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[value$] = value;
     }
   };
-  const autofocus = Symbol(html$.InputElementBase.name + "." + 'autofocus'.toString());
-  const disabled = Symbol(html$.InputElementBase.name + "." + 'disabled'.toString());
-  const incremental = Symbol(html$.InputElementBase.name + "." + 'incremental'.toString());
-  const indeterminate = Symbol(html$.InputElementBase.name + "." + 'indeterminate'.toString());
-  const name = Symbol(html$.InputElementBase.name + "." + 'name'.toString());
-  const value$ = Symbol(html$.InputElementBase.name + "." + 'value'.toString());
+  const autofocus = Symbol("InputElementBase.autofocus");
+  const disabled = Symbol("InputElementBase.disabled");
+  const incremental = Symbol("InputElementBase.incremental");
+  const indeterminate = Symbol("InputElementBase.indeterminate");
+  const name = Symbol("InputElementBase.name");
+  const value$ = Symbol("InputElementBase.value");
   html$.InputElementBase[dart.implements] = () => [html$.Element];
   dart.setSignature(html$.InputElementBase, {
     fields: () => ({
@@ -77385,16 +77385,16 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[selectionStart] = value;
     }
   };
-  const autocomplete = Symbol(html$.TextInputElementBase.name + "." + 'autocomplete'.toString());
-  const maxLength = Symbol(html$.TextInputElementBase.name + "." + 'maxLength'.toString());
-  const pattern = Symbol(html$.TextInputElementBase.name + "." + 'pattern'.toString());
-  const placeholder = Symbol(html$.TextInputElementBase.name + "." + 'placeholder'.toString());
-  const readOnly = Symbol(html$.TextInputElementBase.name + "." + 'readOnly'.toString());
-  const required = Symbol(html$.TextInputElementBase.name + "." + 'required'.toString());
-  const size = Symbol(html$.TextInputElementBase.name + "." + 'size'.toString());
-  const selectionDirection = Symbol(html$.TextInputElementBase.name + "." + 'selectionDirection'.toString());
-  const selectionEnd = Symbol(html$.TextInputElementBase.name + "." + 'selectionEnd'.toString());
-  const selectionStart = Symbol(html$.TextInputElementBase.name + "." + 'selectionStart'.toString());
+  const autocomplete = Symbol("TextInputElementBase.autocomplete");
+  const maxLength = Symbol("TextInputElementBase.maxLength");
+  const pattern = Symbol("TextInputElementBase.pattern");
+  const placeholder = Symbol("TextInputElementBase.placeholder");
+  const readOnly = Symbol("TextInputElementBase.readOnly");
+  const required = Symbol("TextInputElementBase.required");
+  const size = Symbol("TextInputElementBase.size");
+  const selectionDirection = Symbol("TextInputElementBase.selectionDirection");
+  const selectionEnd = Symbol("TextInputElementBase.selectionEnd");
+  const selectionStart = Symbol("TextInputElementBase.selectionStart");
   html$.TextInputElementBase[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.TextInputElementBase, {
     fields: () => ({
@@ -77449,7 +77449,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'search'})[dartx.type] == 'search';
     }
   };
-  const dirName = Symbol(html$.SearchInputElement.name + "." + 'dirName'.toString());
+  const dirName = Symbol("SearchInputElement.dirName");
   html$.SearchInputElement[dart.implements] = () => [html$.TextInputElementBase];
   dart.setSignature(html$.SearchInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.SearchInputElement, [])}),
@@ -77471,7 +77471,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[dirName$] = value;
     }
   };
-  const dirName$ = Symbol(html$.TextInputElement.name + "." + 'dirName'.toString());
+  const dirName$ = Symbol("TextInputElement.dirName");
   html$.TextInputElement[dart.implements] = () => [html$.TextInputElementBase];
   dart.setSignature(html$.TextInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.TextInputElement, [])}),
@@ -77577,15 +77577,15 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'email'})[dartx.type] == 'email';
     }
   };
-  const autocomplete$ = Symbol(html$.EmailInputElement.name + "." + 'autocomplete'.toString());
-  const autofocus$ = Symbol(html$.EmailInputElement.name + "." + 'autofocus'.toString());
-  const maxLength$ = Symbol(html$.EmailInputElement.name + "." + 'maxLength'.toString());
-  const multiple = Symbol(html$.EmailInputElement.name + "." + 'multiple'.toString());
-  const pattern$ = Symbol(html$.EmailInputElement.name + "." + 'pattern'.toString());
-  const placeholder$ = Symbol(html$.EmailInputElement.name + "." + 'placeholder'.toString());
-  const readOnly$ = Symbol(html$.EmailInputElement.name + "." + 'readOnly'.toString());
-  const required$ = Symbol(html$.EmailInputElement.name + "." + 'required'.toString());
-  const size$ = Symbol(html$.EmailInputElement.name + "." + 'size'.toString());
+  const autocomplete$ = Symbol("EmailInputElement.autocomplete");
+  const autofocus$ = Symbol("EmailInputElement.autofocus");
+  const maxLength$ = Symbol("EmailInputElement.maxLength");
+  const multiple = Symbol("EmailInputElement.multiple");
+  const pattern$ = Symbol("EmailInputElement.pattern");
+  const placeholder$ = Symbol("EmailInputElement.placeholder");
+  const readOnly$ = Symbol("EmailInputElement.readOnly");
+  const required$ = Symbol("EmailInputElement.required");
+  const size$ = Symbol("EmailInputElement.size");
   html$.EmailInputElement[dart.implements] = () => [html$.TextInputElementBase];
   dart.setSignature(html$.EmailInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.EmailInputElement, [])}),
@@ -77669,10 +77669,10 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[valueAsNumber] = value;
     }
   };
-  const max = Symbol(html$.RangeInputElementBase.name + "." + 'max'.toString());
-  const min = Symbol(html$.RangeInputElementBase.name + "." + 'min'.toString());
-  const step = Symbol(html$.RangeInputElementBase.name + "." + 'step'.toString());
-  const valueAsNumber = Symbol(html$.RangeInputElementBase.name + "." + 'valueAsNumber'.toString());
+  const max = Symbol("RangeInputElementBase.max");
+  const min = Symbol("RangeInputElementBase.min");
+  const step = Symbol("RangeInputElementBase.step");
+  const valueAsNumber = Symbol("RangeInputElementBase.valueAsNumber");
   html$.RangeInputElementBase[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.RangeInputElementBase, {
     fields: () => ({
@@ -77723,9 +77723,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'date'})[dartx.type] == 'date';
     }
   };
-  const valueAsDate = Symbol(html$.DateInputElement.name + "." + 'valueAsDate'.toString());
-  const readOnly$0 = Symbol(html$.DateInputElement.name + "." + 'readOnly'.toString());
-  const required$0 = Symbol(html$.DateInputElement.name + "." + 'required'.toString());
+  const valueAsDate = Symbol("DateInputElement.valueAsDate");
+  const readOnly$0 = Symbol("DateInputElement.readOnly");
+  const required$0 = Symbol("DateInputElement.required");
   html$.DateInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.DateInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.DateInputElement, [])}),
@@ -77775,9 +77775,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'month'})[dartx.type] == 'month';
     }
   };
-  const valueAsDate$ = Symbol(html$.MonthInputElement.name + "." + 'valueAsDate'.toString());
-  const readOnly$1 = Symbol(html$.MonthInputElement.name + "." + 'readOnly'.toString());
-  const required$1 = Symbol(html$.MonthInputElement.name + "." + 'required'.toString());
+  const valueAsDate$ = Symbol("MonthInputElement.valueAsDate");
+  const readOnly$1 = Symbol("MonthInputElement.readOnly");
+  const required$1 = Symbol("MonthInputElement.required");
   html$.MonthInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.MonthInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.MonthInputElement, [])}),
@@ -77827,9 +77827,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'week'})[dartx.type] == 'week';
     }
   };
-  const valueAsDate$0 = Symbol(html$.WeekInputElement.name + "." + 'valueAsDate'.toString());
-  const readOnly$2 = Symbol(html$.WeekInputElement.name + "." + 'readOnly'.toString());
-  const required$2 = Symbol(html$.WeekInputElement.name + "." + 'required'.toString());
+  const valueAsDate$0 = Symbol("WeekInputElement.valueAsDate");
+  const readOnly$2 = Symbol("WeekInputElement.readOnly");
+  const required$2 = Symbol("WeekInputElement.required");
   html$.WeekInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.WeekInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.WeekInputElement, [])}),
@@ -77879,9 +77879,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'time'})[dartx.type] == 'time';
     }
   };
-  const valueAsDate$1 = Symbol(html$.TimeInputElement.name + "." + 'valueAsDate'.toString());
-  const readOnly$3 = Symbol(html$.TimeInputElement.name + "." + 'readOnly'.toString());
-  const required$3 = Symbol(html$.TimeInputElement.name + "." + 'required'.toString());
+  const valueAsDate$1 = Symbol("TimeInputElement.valueAsDate");
+  const readOnly$3 = Symbol("TimeInputElement.readOnly");
+  const required$3 = Symbol("TimeInputElement.required");
   html$.TimeInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.TimeInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.TimeInputElement, [])}),
@@ -77924,8 +77924,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'datetime-local'})[dartx.type] == 'datetime-local';
     }
   };
-  const readOnly$4 = Symbol(html$.LocalDateTimeInputElement.name + "." + 'readOnly'.toString());
-  const required$4 = Symbol(html$.LocalDateTimeInputElement.name + "." + 'required'.toString());
+  const readOnly$4 = Symbol("LocalDateTimeInputElement.readOnly");
+  const required$4 = Symbol("LocalDateTimeInputElement.required");
   html$.LocalDateTimeInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.LocalDateTimeInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.LocalDateTimeInputElement, [])}),
@@ -77967,9 +77967,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       return html$.InputElement.new({type: 'number'})[dartx.type] == 'number';
     }
   };
-  const placeholder$0 = Symbol(html$.NumberInputElement.name + "." + 'placeholder'.toString());
-  const readOnly$5 = Symbol(html$.NumberInputElement.name + "." + 'readOnly'.toString());
-  const required$5 = Symbol(html$.NumberInputElement.name + "." + 'required'.toString());
+  const placeholder$0 = Symbol("NumberInputElement.placeholder");
+  const readOnly$5 = Symbol("NumberInputElement.readOnly");
+  const required$5 = Symbol("NumberInputElement.required");
   html$.NumberInputElement[dart.implements] = () => [html$.RangeInputElementBase];
   dart.setSignature(html$.NumberInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.NumberInputElement, [])}),
@@ -78022,8 +78022,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[required$6] = value;
     }
   };
-  const checked = Symbol(html$.CheckboxInputElement.name + "." + 'checked'.toString());
-  const required$6 = Symbol(html$.CheckboxInputElement.name + "." + 'required'.toString());
+  const checked = Symbol("CheckboxInputElement.checked");
+  const required$6 = Symbol("CheckboxInputElement.required");
   html$.CheckboxInputElement[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.CheckboxInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.CheckboxInputElement, [])}),
@@ -78054,8 +78054,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[required$7] = value;
     }
   };
-  const checked$ = Symbol(html$.RadioButtonInputElement.name + "." + 'checked'.toString());
-  const required$7 = Symbol(html$.RadioButtonInputElement.name + "." + 'required'.toString());
+  const checked$ = Symbol("RadioButtonInputElement.checked");
+  const required$7 = Symbol("RadioButtonInputElement.required");
   html$.RadioButtonInputElement[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.RadioButtonInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.RadioButtonInputElement, [])}),
@@ -78100,10 +78100,10 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[files] = value;
     }
   };
-  const accept = Symbol(html$.FileUploadInputElement.name + "." + 'accept'.toString());
-  const multiple$ = Symbol(html$.FileUploadInputElement.name + "." + 'multiple'.toString());
-  const required$8 = Symbol(html$.FileUploadInputElement.name + "." + 'required'.toString());
-  const files = Symbol(html$.FileUploadInputElement.name + "." + 'files'.toString());
+  const accept = Symbol("FileUploadInputElement.accept");
+  const multiple$ = Symbol("FileUploadInputElement.multiple");
+  const required$8 = Symbol("FileUploadInputElement.required");
+  const files = Symbol("FileUploadInputElement.files");
   html$.FileUploadInputElement[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.FileUploadInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.FileUploadInputElement, [])}),
@@ -78166,11 +78166,11 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[formTarget] = value;
     }
   };
-  const formAction = Symbol(html$.SubmitButtonInputElement.name + "." + 'formAction'.toString());
-  const formEnctype = Symbol(html$.SubmitButtonInputElement.name + "." + 'formEnctype'.toString());
-  const formMethod = Symbol(html$.SubmitButtonInputElement.name + "." + 'formMethod'.toString());
-  const formNoValidate = Symbol(html$.SubmitButtonInputElement.name + "." + 'formNoValidate'.toString());
-  const formTarget = Symbol(html$.SubmitButtonInputElement.name + "." + 'formTarget'.toString());
+  const formAction = Symbol("SubmitButtonInputElement.formAction");
+  const formEnctype = Symbol("SubmitButtonInputElement.formEnctype");
+  const formMethod = Symbol("SubmitButtonInputElement.formMethod");
+  const formNoValidate = Symbol("SubmitButtonInputElement.formNoValidate");
+  const formTarget = Symbol("SubmitButtonInputElement.formTarget");
   html$.SubmitButtonInputElement[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.SubmitButtonInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.SubmitButtonInputElement, [])}),
@@ -78264,15 +78264,15 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[width] = value;
     }
   };
-  const alt = Symbol(html$.ImageButtonInputElement.name + "." + 'alt'.toString());
-  const formAction$ = Symbol(html$.ImageButtonInputElement.name + "." + 'formAction'.toString());
-  const formEnctype$ = Symbol(html$.ImageButtonInputElement.name + "." + 'formEnctype'.toString());
-  const formMethod$ = Symbol(html$.ImageButtonInputElement.name + "." + 'formMethod'.toString());
-  const formNoValidate$ = Symbol(html$.ImageButtonInputElement.name + "." + 'formNoValidate'.toString());
-  const formTarget$ = Symbol(html$.ImageButtonInputElement.name + "." + 'formTarget'.toString());
-  const height = Symbol(html$.ImageButtonInputElement.name + "." + 'height'.toString());
-  const src = Symbol(html$.ImageButtonInputElement.name + "." + 'src'.toString());
-  const width = Symbol(html$.ImageButtonInputElement.name + "." + 'width'.toString());
+  const alt = Symbol("ImageButtonInputElement.alt");
+  const formAction$ = Symbol("ImageButtonInputElement.formAction");
+  const formEnctype$ = Symbol("ImageButtonInputElement.formEnctype");
+  const formMethod$ = Symbol("ImageButtonInputElement.formMethod");
+  const formNoValidate$ = Symbol("ImageButtonInputElement.formNoValidate");
+  const formTarget$ = Symbol("ImageButtonInputElement.formTarget");
+  const height = Symbol("ImageButtonInputElement.height");
+  const src = Symbol("ImageButtonInputElement.src");
+  const width = Symbol("ImageButtonInputElement.width");
   html$.ImageButtonInputElement[dart.implements] = () => [html$.InputElementBase];
   dart.setSignature(html$.ImageButtonInputElement, {
     constructors: () => ({new: dart.definiteFunctionType(html$.ImageButtonInputElement, [])}),
@@ -81597,7 +81597,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.hardwareConcurrency = value;
     }
   };
-  const hardwareConcurrency = Symbol(html$.NavigatorCpu.name + "." + 'hardwareConcurrency'.toString());
+  const hardwareConcurrency = Symbol("NavigatorCpu.hardwareConcurrency");
   dart.setSignature(html$.NavigatorCpu, {
     constructors: () => ({_: dart.definiteFunctionType(html$.NavigatorCpu, [])}),
     fields: () => ({hardwareConcurrency: core.int})
@@ -81659,13 +81659,13 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.userAgent = value;
     }
   };
-  const appCodeName = Symbol(html$.NavigatorID.name + "." + 'appCodeName'.toString());
-  const appName = Symbol(html$.NavigatorID.name + "." + 'appName'.toString());
-  const appVersion = Symbol(html$.NavigatorID.name + "." + 'appVersion'.toString());
-  const dartEnabled = Symbol(html$.NavigatorID.name + "." + 'dartEnabled'.toString());
-  const platform = Symbol(html$.NavigatorID.name + "." + 'platform'.toString());
-  const product = Symbol(html$.NavigatorID.name + "." + 'product'.toString());
-  const userAgent = Symbol(html$.NavigatorID.name + "." + 'userAgent'.toString());
+  const appCodeName = Symbol("NavigatorID.appCodeName");
+  const appName = Symbol("NavigatorID.appName");
+  const appVersion = Symbol("NavigatorID.appVersion");
+  const dartEnabled = Symbol("NavigatorID.dartEnabled");
+  const platform = Symbol("NavigatorID.platform");
+  const product = Symbol("NavigatorID.product");
+  const userAgent = Symbol("NavigatorID.userAgent");
   dart.setSignature(html$.NavigatorID, {
     constructors: () => ({_: dart.definiteFunctionType(html$.NavigatorID, [])}),
     fields: () => ({
@@ -81708,8 +81708,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.languages = value;
     }
   };
-  const language = Symbol(html$.NavigatorLanguage.name + "." + 'language'.toString());
-  const languages = Symbol(html$.NavigatorLanguage.name + "." + 'languages'.toString());
+  const language = Symbol("NavigatorLanguage.language");
+  const languages = Symbol("NavigatorLanguage.languages");
   dart.setSignature(html$.NavigatorLanguage, {
     constructors: () => ({_: dart.definiteFunctionType(html$.NavigatorLanguage, [])}),
     fields: () => ({
@@ -81732,7 +81732,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.onLine = value;
     }
   };
-  const onLine = Symbol(html$.NavigatorOnLine.name + "." + 'onLine'.toString());
+  const onLine = Symbol("NavigatorOnLine.onLine");
   dart.setSignature(html$.NavigatorOnLine, {
     constructors: () => ({_: dart.definiteFunctionType(html$.NavigatorOnLine, [])}),
     fields: () => ({onLine: core.bool})
@@ -87009,7 +87009,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       html$.ShadowRoot._shadowRootDeprecationReport();
     }
   };
-  const innerHtml = Symbol(html$.ShadowRoot.name + "." + dartx.innerHtml.toString());
+  const innerHtml = Symbol("ShadowRoot.innerHtml");
   dart.setSignature(html$.ShadowRoot, {
     constructors: () => ({_: dart.definiteFunctionType(html$.ShadowRoot, [])}),
     fields: () => ({
@@ -90802,17 +90802,17 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[username] = value;
     }
   };
-  const hash = Symbol(html$.UrlUtils.name + "." + 'hash'.toString());
-  const host = Symbol(html$.UrlUtils.name + "." + 'host'.toString());
-  const hostname = Symbol(html$.UrlUtils.name + "." + 'hostname'.toString());
-  const href = Symbol(html$.UrlUtils.name + "." + 'href'.toString());
-  const origin = Symbol(html$.UrlUtils.name + "." + 'origin'.toString());
-  const password = Symbol(html$.UrlUtils.name + "." + 'password'.toString());
-  const pathname = Symbol(html$.UrlUtils.name + "." + 'pathname'.toString());
-  const port = Symbol(html$.UrlUtils.name + "." + 'port'.toString());
-  const protocol = Symbol(html$.UrlUtils.name + "." + 'protocol'.toString());
-  const search = Symbol(html$.UrlUtils.name + "." + 'search'.toString());
-  const username = Symbol(html$.UrlUtils.name + "." + 'username'.toString());
+  const hash = Symbol("UrlUtils.hash");
+  const host = Symbol("UrlUtils.host");
+  const hostname = Symbol("UrlUtils.hostname");
+  const href = Symbol("UrlUtils.href");
+  const origin = Symbol("UrlUtils.origin");
+  const password = Symbol("UrlUtils.password");
+  const pathname = Symbol("UrlUtils.pathname");
+  const port = Symbol("UrlUtils.port");
+  const protocol = Symbol("UrlUtils.protocol");
+  const search = Symbol("UrlUtils.search");
+  const username = Symbol("UrlUtils.username");
   dart.setSignature(html$.UrlUtils, {
     constructors: () => ({_: dart.definiteFunctionType(html$.UrlUtils, [])}),
     fields: () => ({
@@ -90922,15 +90922,15 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.search = value;
     }
   };
-  const hash$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'hash'.toString());
-  const host$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'host'.toString());
-  const hostname$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'hostname'.toString());
-  const href$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'href'.toString());
-  const origin$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'origin'.toString());
-  const pathname$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'pathname'.toString());
-  const port$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'port'.toString());
-  const protocol$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'protocol'.toString());
-  const search$ = Symbol(html$.UrlUtilsReadOnly.name + "." + 'search'.toString());
+  const hash$ = Symbol("UrlUtilsReadOnly.hash");
+  const host$ = Symbol("UrlUtilsReadOnly.host");
+  const hostname$ = Symbol("UrlUtilsReadOnly.hostname");
+  const href$ = Symbol("UrlUtilsReadOnly.href");
+  const origin$ = Symbol("UrlUtilsReadOnly.origin");
+  const pathname$ = Symbol("UrlUtilsReadOnly.pathname");
+  const port$ = Symbol("UrlUtilsReadOnly.port");
+  const protocol$ = Symbol("UrlUtilsReadOnly.protocol");
+  const search$ = Symbol("UrlUtilsReadOnly.search");
   dart.setSignature(html$.UrlUtilsReadOnly, {
     constructors: () => ({_: dart.definiteFunctionType(html$.UrlUtilsReadOnly, [])}),
     fields: () => ({
@@ -103049,11 +103049,11 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.y = value;
     }
   };
-  const height$ = Symbol(svg$.FilterPrimitiveStandardAttributes.name + "." + 'height'.toString());
-  const result = Symbol(svg$.FilterPrimitiveStandardAttributes.name + "." + 'result'.toString());
-  const width$ = Symbol(svg$.FilterPrimitiveStandardAttributes.name + "." + 'width'.toString());
-  const x = Symbol(svg$.FilterPrimitiveStandardAttributes.name + "." + 'x'.toString());
-  const y = Symbol(svg$.FilterPrimitiveStandardAttributes.name + "." + 'y'.toString());
+  const height$ = Symbol("FilterPrimitiveStandardAttributes.height");
+  const result = Symbol("FilterPrimitiveStandardAttributes.result");
+  const width$ = Symbol("FilterPrimitiveStandardAttributes.width");
+  const x = Symbol("FilterPrimitiveStandardAttributes.x");
+  const y = Symbol("FilterPrimitiveStandardAttributes.y");
   dart.setSignature(svg$.FilterPrimitiveStandardAttributes, {
     constructors: () => ({_: dart.definiteFunctionType(svg$.FilterPrimitiveStandardAttributes, [])}),
     fields: () => ({
@@ -103092,8 +103092,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.viewBox = value;
     }
   };
-  const preserveAspectRatio = Symbol(svg$.FitToViewBox.name + "." + 'preserveAspectRatio'.toString());
-  const viewBox = Symbol(svg$.FitToViewBox.name + "." + 'viewBox'.toString());
+  const preserveAspectRatio = Symbol("FitToViewBox.preserveAspectRatio");
+  const viewBox = Symbol("FitToViewBox.viewBox");
   dart.setSignature(svg$.FitToViewBox, {
     constructors: () => ({_: dart.definiteFunctionType(svg$.FitToViewBox, [])}),
     fields: () => ({
@@ -106335,9 +106335,9 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.systemLanguage = value;
     }
   };
-  const requiredExtensions = Symbol(svg$.Tests.name + "." + 'requiredExtensions'.toString());
-  const requiredFeatures = Symbol(svg$.Tests.name + "." + 'requiredFeatures'.toString());
-  const systemLanguage = Symbol(svg$.Tests.name + "." + 'systemLanguage'.toString());
+  const requiredExtensions = Symbol("Tests.requiredExtensions");
+  const requiredFeatures = Symbol("Tests.requiredFeatures");
+  const systemLanguage = Symbol("Tests.systemLanguage");
   dart.setSignature(svg$.Tests, {
     constructors: () => ({_: dart.definiteFunctionType(svg$.Tests, [])}),
     fields: () => ({
@@ -106670,7 +106670,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       super.href = value;
     }
   };
-  const href$0 = Symbol(svg$.UriReference.name + "." + 'href'.toString());
+  const href$0 = Symbol("UriReference.href");
   dart.setSignature(svg$.UriReference, {
     constructors: () => ({_: dart.definiteFunctionType(svg$.UriReference, [])}),
     fields: () => ({href: svg$.AnimatedString})
@@ -106859,7 +106859,7 @@ dart_library.library('dart_sdk', null, /* Imports */[
       this[zoomAndPan] = value;
     }
   };
-  const zoomAndPan = Symbol(svg$.ZoomAndPan.name + "." + 'zoomAndPan'.toString());
+  const zoomAndPan = Symbol("ZoomAndPan.zoomAndPan");
   dart.setSignature(svg$.ZoomAndPan, {
     constructors: () => ({_: dart.definiteFunctionType(svg$.ZoomAndPan, [])}),
     fields: () => ({zoomAndPan: core.int}),