Support class and typedef literals as expressions.

tests/compiler/dart2js/cpa_inference_test.dart

 #import("dart:uri");
 #import("../../../lib/compiler/implementation/elements/elements.dart");
 #import('../../../lib/compiler/implementation/scanner/scannerlib.dart');
 #import('../../../lib/compiler/implementation/source_file.dart');
 #import('../../../lib/compiler/implementation/types/types.dart');
 #import('../../../lib/compiler/implementation/tree/tree.dart');
 #import("../../../lib/compiler/implementation/leg.dart", prefix: "leg");
 
 #import("parser_helper.dart");
 #import("compiler_helper.dart");
 #import("mock_compiler.dart");
 
 /**
  * Finds the node corresponding to the last occurence of the substring
  * [: identifier; :] in the program represented by the visited AST.
  */
 class VariableFinderVisitor extends Visitor {
   final String identifier;
   Node result;
 
   VariableFinderVisitor(this.identifier);
 
   visitSend(Send node) {
-    if (node.isPropertyAccess
+    if (node.isPropertyAccessOrTypeReference
         && node.selector.asIdentifier().source.slowToString() == identifier) {
       result = node;
     } else {
       node.visitChildren(this);
     }
   }
 
   visitNode(Node node) {
     node.visitChildren(this);
   }
@@ skipping 273 matching lines @@
   testTernaryIf();
   testWhile();
   testNonRecusiveFunction();
   testRecusiveFunction();
   testMutuallyRecusiveFunction();
   testConstructor();
   testGetters();
   testSetters();
   testNamedParameters();
 }