Adds support for remaining generic method syntax constructs.

tests/language/generic_sends_test.dart

Index: tests/language/generic_sends_test.dart
diff --git a/tests/language/generic_sends_test.dart b/tests/language/generic_sends_test.dart
index 2e98215df0d6773a402e84e7cdf991a1470592ba..57befeec73164077322d44a8647613335e78f0e3 100644
--- a/tests/language/generic_sends_test.dart
+++ b/tests/language/generic_sends_test.dart
@@ -2,9 +2,11 @@
 // 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.
 
-// Dart test verifying that the parser can handle certain cases where
-// grammar ambiguity is resolved in favor of generic sends, not
-// relational expressions.
+/// Dart test verifying that the parser can handle certain cases where
+/// grammar ambiguity is resolved in favor of generic sends, not
+/// relational expressions.
+
+library generic_sends_test;
 
 f(arg1, [arg2]) => null;
 g<X, Y>(arg) => null;