Wrapperless dart:html and friends

lib/runtime/dart/mirrors.js

 dart_library.library('dart/mirrors', null, /* Imports */[
   'dart/_runtime',
   'dart/core'
 ], /* Lazy imports */[
   'dart/_js_mirrors'
 ], function(exports, dart, core, _js_mirrors) {
   'use strict';
   let dartx = dart.dartx;
   class MirrorSystem extends core.Object {
     findLibrary(libraryName) {
-      return this.libraries.values[dartx.singleWhere](dart.fn(library => dart.equals(library.simpleName, libraryName), core.bool, [LibraryMirror]));
+      return this.libraries[dartx.values][dartx.singleWhere](dart.fn(library => dart.equals(library.simpleName, libraryName), core.bool, [LibraryMirror]));
     }
     static getName(symbol) {
       return _js_mirrors.getName(symbol);
     }
     static getSymbol(name, library) {
       if (library === void 0) library = null;
       return _js_mirrors.getSymbol(name, library);
     }
   }
   dart.setSignature(MirrorSystem, {
@@ skipping 108 matching lines @@
   exports.FunctionTypeMirror = FunctionTypeMirror;
   exports.TypeVariableMirror = TypeVariableMirror;
   exports.TypedefMirror = TypedefMirror;
   exports.MethodMirror = MethodMirror;
   exports.VariableMirror = VariableMirror;
   exports.ParameterMirror = ParameterMirror;
   exports.SourceLocation = SourceLocation;
   exports.Comment = Comment;
   exports.MirrorsUsed = MirrorsUsed;
 });