Fix codegen and isolate issues for frog dart:html

frog/gen.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.
 
 /**
  * Top level generator object for writing code and keeping track of
  * dependencies.
  *
  * Should have two compilation models, but only one implemented so far.
  *
@@ skipping 40 matching lines @@
     int nlibs=0, ntypes=0, nmems=0, nnews=0;
     for (var lib in world.libraries.getValues()) {
       nlibs += 1;
       for (var type in lib.types.getValues()) {
         // TODO(jmesserly): we can't accurately track if DOM types are
         // created or not, so we need to prepare to handle them.
         // This should be fixed by tightening up the return types in DOM.
         // Until then, this 'analysis' just marks all the DOM types as used.
         // TODO(jimhug): Do we still need this?  Or do/can we handle this by
         // using return values?
-        if (type.library.isDom || type.isHiddenNativeType) {
+        if (type.library.isDomOrHtml || type.isHiddenNativeType) {
           if (type.isClass) type.markUsed();
         }
 
         ntypes += 1;
         var allMembers = [];
         allMembers.addAll(type.constructors.getValues());
         allMembers.addAll(type.members.getValues());
         type.factories.forEach((f) => allMembers.add(f));
         for (var m in allMembers) {
           if (m.isAbstract || !(m.isMethod || m.isConstructor)) continue;
@@ skipping 2464 matching lines @@
     return true;
   }
 
 }
 
 class ReturnKind {
   static final int IGNORE = 1;
   static final int POST = 2;
   static final int PRE = 3;
 }