Make some ErrorCode-s compile-time errors and some just type warnings

tests/language/src/WrongNumberTypeArgumentsNegativeTest.dart

Index: tests/language/src/WrongNumberTypeArgumentsNegativeTest.dart
diff --git a/tests/language/src/WrongNumberTypeArgumentsNegativeTest.dart b/tests/language/src/WrongNumberTypeArgumentsNegativeTest.dart
deleted file mode 100644
index 090da1dac84886bfc01ef42d90261d4539cbf338..0000000000000000000000000000000000000000
--- a/tests/language/src/WrongNumberTypeArgumentsNegativeTest.dart
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright (c) 2011, 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.
-
-Map<String> foo;  // Error: Map takes 2 type arguments.

[zundel, 2011/11/01 20:03:03]

I think the right thing to do is to make this a positive test, given the
clarification by Gilad, and then convert this one to be an example where the
wrong number of argument is a compile-time error, say 'new Foo<param1, param2>'
where Foo is only declared to take one type variable.

[scheglov, 2011/11/01 20:25:59]

Done.

-
-main() {
-  foo = null;
-}