Move computeType to TypedElement and TypeDeclarationElement.

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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 elements.modelx;
 
 import 'common.dart';
 import 'elements.dart';
 import '../constants/expressions.dart';
 import '../constants/constructors.dart';
@@ skipping 49 matching lines @@
   }
 
   Modifiers get modifiers => Modifiers.EMPTY;
 
   Node parseNode(DiagnosticListener listener) {
     listener.internalError(this,
         'parseNode not implemented on $this.');
     return null;
   }
 
-  DartType computeType(Compiler compiler) {
-    compiler.internalError(this,
-        "computeType not implemented on $this.");
-    return null;
-  }
-
   void addMetadata(MetadataAnnotationX annotation) {
     assert(annotation.annotatedElement == null);
     annotation.annotatedElement = this;
     addMetadataInternal(annotation);
   }
 
   void addMetadataInternal(MetadataAnnotation annotation) {
     metadata = metadata.prepend(annotation);
   }
 
@@ skipping 209 matching lines @@
   get nestedClosures => unsupported();
   get memberContext => unsupported();
   get executableContext => unsupported();
   get isExternal => unsupported();
   get constantConstructor => null;
 
   bool get isRedirectingGenerative => unsupported();
   bool get isRedirectingFactory => unsupported();
 
   computeSignature(compiler) => unsupported();
+  computeType(compiler) => unsupported();
 
   bool get hasFunctionSignature => false;
 
   get effectiveTarget => this;
 
   computeEffectiveTargetType(InterfaceType newType) => unsupported();
 
   get definingConstructor => null;
 
   FunctionElement asFunctionElement() => this;
@@ skipping 2587 matching lines @@
   AstElement get definingElement;
 
   bool get hasResolvedAst => definingElement.hasTreeElements;
 
   ResolvedAst get resolvedAst {
     return new ResolvedAst(declaration,
         definingElement.node, definingElement.treeElements);
   }
 
 }