Move computeType to TypedElement and TypeDeclarationElement.

pkg/compiler/lib/src/enqueue.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.
 
 part of dart2js;
 
 typedef ItemCompilationContext ItemCompilationContextCreator();
 
 class EnqueueTask extends CompilerTask {
   final ResolutionEnqueuer resolution;
@@ skipping 595 matching lines @@
   }
 
   void registerCallMethodWithFreeTypeVariables(
       Element element,
       Registry registry) {
     compiler.backend.registerCallMethodWithFreeTypeVariables(
         element, this, registry);
     universe.callMethodsWithFreeTypeVariables.add(element);
   }
 
-  void registerClosurizedMember(Element element, Registry registry) {
+  void registerClosurizedMember(TypedElement element, Registry registry) {
     assert(element.isInstanceMember);
     registerClosureIfFreeTypeVariables(element, registry);
     compiler.backend.registerBoundClosure(this);
     universe.closurizedMembers.add(element);
   }
 
-  void registerClosureIfFreeTypeVariables(Element element, Registry registry) {
+  void registerClosureIfFreeTypeVariables(TypedElement element,
+                                          Registry registry) {
     if (element.computeType(compiler).containsTypeVariables) {
       compiler.backend.registerClosureWithFreeTypeVariables(
           element, this, registry);
       universe.closuresWithFreeTypeVariables.add(element);
     }
   }
 
   void registerClosure(LocalFunctionElement element, Registry registry) {
     universe.allClosures.add(element);
     registerClosureIfFreeTypeVariables(element, registry);
@@ skipping 310 matching lines @@
   void processWorkItem(void f(WorkItem work), WorkItem work) {
     f(work);
   }
 }
 
 void removeFromSet(Map<String, Set<Element>> map, Element element) {
   Set<Element> set = map[element.name];
   if (set == null) return;
   set.remove(element);
 }