Register instantiated types instead of instantiated classes in the resolver.

sdk/lib/_internal/compiler/implementation/closure.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 closureToClassMapper;
 
 import "elements/elements.dart";
 import "dart2jslib.dart";
 import "dart_types.dart";
 import "scanner/scannerlib.dart" show Token;
@@ skipping 62 matching lines @@
   // simple and they have 1-character names in the minified mode.
   bool hasFixedBackendName() => true;
   String fixedBackendName() => name.slowToString();
 
   DartType computeType(Compiler compiler) => compiler.types.dynamicType;
 
   String toString() => "ClosureFieldElement($name)";
 }
 
 class ClosureClassElement extends ClassElementX {
+  DartType rawType;
+  DartType thisType;
+
   ClosureClassElement(SourceString name,
                       Compiler compiler,
                       this.methodElement,
                       Element enclosingElement)
       : super(name,
               enclosingElement,
               // By assigning a fresh class-id we make sure that the hashcode
               // is unique, but also emit closure classes after all other
               // classes (since the emitter sorts classes by their id).
               compiler.getNextFreeClassId(),
               STATE_DONE) {
     compiler.closureClass.ensureResolved(compiler);
     supertype = compiler.closureClass.computeType(compiler);
     interfaces = const Link<DartType>();
     allSupertypes = const Link<DartType>().prepend(supertype);
+    thisType = rawType = new InterfaceType(this);
   }
 
   bool isClosure() => true;
 
   /**
    * The most outer method this closure is declared into.
    */
   Element methodElement;
 }
 
@@ skipping 578 matching lines @@
   }
 
   visitTryStatement(TryStatement node) {
     // TODO(ngeoffray): implement finer grain state.
     bool oldInTryStatement = inTryStatement;
     inTryStatement = true;
     node.visitChildren(this);
     inTryStatement = oldInTryStatement;
   }
 }