Move ObjectNotClosureException and ClosureArgumentMismatchException to patch file.

runtime/lib/errors_patch.dart

Index: runtime/lib/errors_patch.dart
diff --git a/runtime/lib/errors_patch.dart b/runtime/lib/errors_patch.dart
index fd6ec5800fb0236929996220c34fb799fc352d3c..7894ae3466267319fda0fb1ebfc2b262f2046f97 100644
--- a/runtime/lib/errors_patch.dart
+++ b/runtime/lib/errors_patch.dart
@@ -7,3 +7,16 @@ patch class NoSuchMethodError {
     return Object._toString(object);
   }
 }
+
+// Exceptions that should be NoSuchMethodError instead.
+
+class _ClosureArgumentMismatchException implements Exception {
+  const _ClosureArgumentMismatchException();
+  String toString() => "Closure argument mismatch";
+}
+
+
+class _ObjectNotClosureException implements Exception {
+  const _ObjectNotClosureException();
+  String toString() => "Object is not closure";
+}