dart2js: rename Elements.isErroneousElement to Elements.isErroneous.

pkg/compiler/lib/src/typechecker.dart

Index: pkg/compiler/lib/src/typechecker.dart
diff --git a/pkg/compiler/lib/src/typechecker.dart b/pkg/compiler/lib/src/typechecker.dart
index 61dbd7d486809c82f62669dfc07f60aa63c52f60..26272a918483b0cec84ffd100ce6a4a1c5d6befb 100644
--- a/pkg/compiler/lib/src/typechecker.dart
+++ b/pkg/compiler/lib/src/typechecker.dart
@@ -1118,7 +1118,7 @@ class TypeCheckerVisitor extends Visitor<DartType> {
         DartType type = analyze(node.selector);
         return analyzeInvocation(node, new TypeAccess(type));
       }
-    } else if (Elements.isErroneousElement(element) && selector == null) {
+    } else if (Elements.isErroneous(element) && selector == null) {
       // exp() where exp is an erroneous construct like `new Unresolved()`.
       DartType type = analyze(node.selector);
       return analyzeInvocation(node, new TypeAccess(type));