js: fix core.Object, output order, static const fields

lib/devc.dart

Index: lib/devc.dart
diff --git a/lib/devc.dart b/lib/devc.dart
index 980e2db1393619b81606b616217139632f34e3b9..9ae3ea9c5eb46b5352a7b1779da3160ec06bc3ea 100644
--- a/lib/devc.dart
+++ b/lib/devc.dart
@@ -25,7 +25,7 @@ import 'src/codegen/dart_codegen.dart';
 import 'src/codegen/html_codegen.dart';
 import 'src/codegen/js_codegen.dart';
 import 'src/dependency_graph.dart';
-import 'src/info.dart' show LibraryInfo, CheckerResults;
+import 'src/info.dart' show LibraryInfo, CheckerResults, LibraryUnit;
 import 'src/options.dart';
 import 'src/report.dart';
 import 'src/utils.dart';
@@ -167,11 +167,12 @@ class Compiler {
     _libraries.add(current);
     _rules.currentLibraryInfo = current;
 
-    var units = [entryUnit]
-      ..addAll(node.parts.map(
-          (p) => _resolver.context.resolveCompilationUnit2(p.source, source)));
+    var resolvedParts = node.parts
+        .map((p) => _resolver.context.resolveCompilationUnit2(p.source, source))
+        .toList(growable: false);
+    var libraryUnit = new LibraryUnit(entryUnit, resolvedParts);
     bool failureInLib = false;
-    for (var unit in units) {
+    for (var unit in libraryUnit.units) {
       var unitSource = unit.element.source;
       _reporter.enterSource(unitSource);
       // TODO(sigmund): integrate analyzer errors with static-info (issue #6).
@@ -186,7 +187,7 @@ class Compiler {
     }
 
     for (var cg in _generators) {
-      var hash = cg.generateLibrary(units, current, _reporter);
+      var hash = cg.generateLibrary(libraryUnit, current, _reporter);
       if (_hashing) node.cachingHash = hash;
     }
     _reporter.leaveLibrary();