Dartdoc and Apidoc updated to use dart2js through the mirror system.

lib/dartdoc/mirrors/mirrors_util.dart

Index: lib/dartdoc/mirrors/mirrors_util.dart
diff --git a/lib/dartdoc/mirrors/mirrors_util.dart b/lib/dartdoc/mirrors/mirrors_util.dart
index 727d5cb6c91759dbbff770346299d526e67c1953..091555376a593d2937073a9b3789840dc8f3bb6d 100644
--- a/lib/dartdoc/mirrors/mirrors_util.dart
+++ b/lib/dartdoc/mirrors/mirrors_util.dart
@@ -14,11 +14,10 @@
  * Returns an iterable over the type declarations directly inheriting from
  * the declaration of this type.
  */
-Iterable<InterfaceMirror> computeSubdeclarations(MirrorSystem system,
-                                                 InterfaceMirror type) {
+Iterable<InterfaceMirror> computeSubdeclarations(InterfaceMirror type) {
   type = type.declaration;
   var subtypes = <InterfaceMirror>[];
-  system.libraries().forEach((_, library) {
+  type.system.libraries().forEach((_, library) {
     for (InterfaceMirror otherType in library.types().getValues()) {
       var superClass = otherType.superclass();
       if (superClass !== null) {
@@ -70,3 +69,13 @@ Mirror findMirror(Map<Object,Mirror> map, String name,
   });
   return foundMirror;
 }
+
+LibraryMirror findLibrary(MemberMirror member) {
+  ObjectMirror owner = member.surroundingDeclaration();
+  if (owner is LibraryMirror) {
+    return owner;
+  } else if (owner is TypeMirror) {
+    return owner.library();
+  }
+  throw new Exception('Unexpected owner: ${owner}');
+}