Fix codegen and isolate issues for frog dart:html

frog/library.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class LibraryImport {
   final String prefix;
   final Library library;
   final SourceSpan span;
   LibraryImport(this.library, [this.prefix, this.span]);
 }
@@ skipping 35 matching lines @@
 
   Element get enclosingElement() => null;
   Library get library() => this;
 
   bool get isNative() => topType.isNative;
 
   bool get isCore() => this == world.corelib;
   bool get isCoreImpl() => this == world.coreimpl;
 
   // TODO(jmesserly): we shouldn't be special casing DOM anywhere.
-  bool get isDom() => this == world.dom;
+  bool get isDomOrHtml() => this == world.dom || this == world.html;
 
   SourceSpan get span() => new SourceSpan(baseSource, 0, 0);
 
   String makeFullPath(String filename) {
     if (filename.startsWith('dart:')) return filename;
     if (filename.startsWith('package:')) return filename;
     // TODO(jmesserly): replace with node.js path.resolve
     if (filename.startsWith('/')) return filename;
     if (filename.startsWith('file:///')) return filename;
     if (filename.startsWith('http://')) return filename;
@@ skipping 298 matching lines @@
       world.error('directives not allowed in sourced file', node.span);
       return;
     }
 
     var name;
     switch (node.name.name) {
       case "library":
         name = getSingleStringArg(node);
         if (library.name == null) {
           library.name = name;
-          // TODO(jimhug): Hack to get native fields for io and dom - generalize.
-          if (name == 'node' || name == 'dom') {
-            library.topType.isNative = true;
-          }
           if (seenImport || seenSource || seenResource) {
             world.error('#library must be first directive in file', node.span);
           }
         } else {
           world.error('already specified library name', node.span);
         }
         break;
 
       case "import":
         seenImport = true;
@@ skipping 115 matching lines @@
 
   void visitFunctionDefinition(FunctionDefinition node) {
     currentType.addMethod(node.name.name, node);
   }
 
   void visitFunctionTypeDefinition(FunctionTypeDefinition node) {
     var type = library.addType(node.func.name.name, node, false);
     type.addMethod(':call', node.func);
   }
 }