Fix type annotation for deferred constants.

pkg/compiler/lib/src/resolution/send_resolver.dart

 // Copyright (c) 2015, 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.semantics_visitor;
 
 enum SendStructureKind {
   GET,
   SET,
   INVOKE,
@@ skipping 291 matching lines @@
   }
 
   AccessSemantics computeAccessSemantics(Send node,
                                          {bool isGetOrSet: false,
                                           bool isInvoke: false,
                                           bool isCompound: false}) {
     Element element = elements[node];
     Element getter = isCompound ? elements[node.selector] : null;
     if (elements.isTypeLiteral(node)) {
       DartType dartType = elements.getTypeLiteralType(node);
-      TypeConstantExpression constant = elements.getConstant(
+      // TODO(johnniwinther): Handle deferred constants. There are runtime
+      // but not compile-time constants and should have their own
+      // [DeferredConstantExpression] class.
+      ConstantExpression constant = elements.getConstant(
           isInvoke ? node.selector : node);
       switch (dartType.kind) {
         case TypeKind.INTERFACE:
           return new ConstantAccess.classTypeLiteral(constant);
         case TypeKind.TYPEDEF:
           return new ConstantAccess.typedefTypeLiteral(constant);
         case TypeKind.TYPE_VARIABLE:
           return new StaticAccess.typeParameterTypeLiteral(dartType.element);
         case TypeKind.DYNAMIC:
           return new ConstantAccess.dynamicTypeLiteral(constant);
@@ skipping 69 matching lines @@
         // TODO(johnniwinther): Provide an [ErroneousElement].
         // This happens for code like `C.this`.
         return new StaticAccess.unresolved(null);
       } else {
         return handleStaticallyResolvedAccess(node, element, getter);
       }
     }
   }
 }