Revert "Skeleton typedef type implementation"

lib/dartdoc/mirrors/dart2js_mirror.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.
 
 #library('mirrors.dart2js');
 
 #import('../../compiler/compiler.dart', prefix: 'diagnostics');
 #import('../../compiler/implementation/elements/elements.dart');
 #import('../../compiler/implementation/apiimpl.dart', prefix: 'api');
 #import('../../compiler/implementation/scanner/scannerlib.dart');
@@ skipping 43 matching lines @@
     Type type,
     InterfaceType defaultType,
     [FunctionSignature functionSignature]) {
   if (type === null) {
     return new Dart2JsInterfaceTypeMirror(system, defaultType);
   } else if (type is InterfaceType) {
     return new Dart2JsInterfaceTypeMirror(system, type);
   } else if (type is TypeVariableType) {
     return new Dart2JsTypeVariableMirror(system, type);
   } else if (type is FunctionType) {
-    return new Dart2JsFunctionTypeMirror(system, type, functionSignature);
+    if (type.element is TypedefElement) {
+      return new Dart2JsTypedefMirror(system, type.element);
+    } else {
+      return new Dart2JsFunctionTypeMirror(system, type, functionSignature);
+    }
   } else if (type is VoidType) {
     return new Dart2JsVoidMirror(system, type);
-  } else if (type is TypedefType) {
-    return new Dart2JsTypedefMirror(system, type);
   }
   throw new IllegalArgumentException("Unexpected interface type $type");
 }
 
 Collection<Dart2JsMemberMirror> _convertElementMemberToMemberMirrors(
     Dart2JsObjectMirror library, Element element) {
   if (element is SynthesizedConstructorElement) {
     return const <Dart2JsMemberMirror>[];
   } else if (element is VariableElement) {
     return <Dart2JsMemberMirror>[new Dart2JsFieldMirror(library, element)];
@@ skipping 414 matching lines @@
 
   void _ensureTypes() {
     if (_types == null) {
       _types = <InterfaceMirror>{};
       _library.forEachExport((Element e) {
         if (e.getLibrary() == _library) {
           if (e.isClass()) {
             var type = new Dart2JsInterfaceMirror.fromLibrary(this, e);
             _types[type.canonicalName] = type;
           } else if (e.isTypedef()) {
-            var type = new Dart2JsTypedefMirror.fromLibrary(this,
-                e.computeType(system.compiler));
+            var type = new Dart2JsTypedefMirror.fromLibrary(this, e);
             _types[type.canonicalName] = type;
           }
         }
       });
     }
   }
 
   void _ensureMembers() {
     if (_members == null) {
       _members = <MemberMirror>{};
@@ skipping 272 matching lines @@
     if (library() != other.library()) {
       return false;
     }
     if (isDeclaration !== other.isDeclaration) {
       return false;
     }
     return qualifiedName() == other.qualifiedName();
   }
 }
 
-class Dart2JsTypedefMirror extends Dart2JsTypeElementMirror
+class Dart2JsTypedefMirror extends Dart2JsElementMirror
     implements Dart2JsTypeMirror, TypedefMirror {
   final Dart2JsLibraryMirror _library;
   List<TypeVariableMirror> _typeVariables;
   TypeMirror _definition;
 
-  Dart2JsTypedefMirror(Dart2JsMirrorSystem system, TypedefType _typedef)
-      : this._library = system.getLibrary(_typedef.element.getLibrary()),
+  Dart2JsTypedefMirror(Dart2JsMirrorSystem system, TypedefElement _typedef)
+      : this._library = system.getLibrary(_typedef.getLibrary()),
         super(system, _typedef);
 
   Dart2JsTypedefMirror.fromLibrary(Dart2JsLibraryMirror library,
-                                   TypedefType _typedef)
+                                   TypedefElement _typedef)
       : this._library = library,
         super(library.system, _typedef);
 
-  TypedefType get _typedef() => _type;
+  TypedefElement get _typedef() => _element;
 
   String get canonicalName() => simpleName();
 
   String qualifiedName() => '${library().qualifiedName()}.${simpleName()}';
 
   Location location() {
-    var node = _typedef.element.parseNode(_diagnosticListener);
+    var node = _typedef.parseNode(_diagnosticListener);
     if (node !== null) {
-      var script = _typedef.element.getCompilationUnit().script;
+      var script = _typedef.getCompilationUnit().script;
       var span = system.compiler.spanFromNode(node, script.uri);
       return new Dart2JsLocation(script, span);
     }
     return super.location();
   }
 
   LibraryMirror library() => _library;
 
   bool get isObject() => false;
 
@@ skipping 66 matching lines @@
 
   String qualifiedName() => '${declarer().qualifiedName()}.${simpleName()}';
 
   InterfaceMirror declarer() {
     if (_declarer === null) {
       if (_typeVariableType.element.enclosingElement.isClass()) {
         _declarer = new Dart2JsInterfaceMirror(system,
             _typeVariableType.element.enclosingElement);
       } else if (_typeVariableType.element.enclosingElement.isTypedef()) {
         _declarer = new Dart2JsTypedefMirror(system,
-            _typeVariableType.element.enclosingElement.computeType(
-                system.compiler));
+            _typeVariableType.element.enclosingElement);
       }
     }
     return _declarer;
   }
 
   LibraryMirror library() => declarer().library();
 
   bool get isObject() => false;
 
   bool get isDynamic() => false;
@@ skipping 442 matching lines @@
     if (node !== null) {
       var span = system.compiler.spanFromNode(node, script.uri);
       return new Dart2JsLocation(script, span);
     } else {
       var span = system.compiler.spanFromElement(_variable);
       return new Dart2JsLocation(script, span);
     }
   }
 }