support basic identifiers in constructors

test/common.dart

Index: test/common.dart
diff --git a/test/common.dart b/test/common.dart
index 859b72e06277b4bdf0c009764ed7ab5619c45f43..81d78bafa21e371b30275668a878e7929e4df55b 100644
--- a/test/common.dart
+++ b/test/common.dart
@@ -15,3 +15,24 @@ testPhases(String testName, List<List<Transformer>> phases,
     return helper.checkAll(expectedFiles).whenComplete(() => helper.tearDown());
   });
 }
+
+// Simple mock of initialize, plus some extra annotations for fun.
+const mockInitialize = '''
+    library initialize;
+
+    abstract class Initializer<T> {}
+
+    class _ConstInit extends Initializer<dynamic> {
+      const ConstInit();
+    }
+    const _ConstInit constInit = const _ConstInit();
+
+    class DynamicInit extends Initializer<dynamic> {

[Siggi Cherem (dart-lang), 2015/01/23 17:56:28]

I think we should keep this mockInitialize as a subset of initialize.dart, so
I'd move DynamicInit somewhere else in the tests.

[jakemac, 2015/01/23 21:34:38]

Done.

+      final String _name;
+      const DynamicInit(this._name);
+    }
+
+    class _InitMethod implements Initializer<Function> {
+      const _InitMethod();
+    }
+    const _InitMethod initMethod = const _InitMethod();''';