Fix type annotations.

tests/compiler/dart2js_extra/first_class_types_hashcode_test.dart

Index: tests/compiler/dart2js_extra/first_class_types_hashcode_test.dart
===================================================================
--- tests/compiler/dart2js_extra/first_class_types_hashcode_test.dart	(revision 15140)
+++ tests/compiler/dart2js_extra/first_class_types_hashcode_test.dart	(working copy)
@@ -11,9 +11,9 @@
 
 main() {
   Map<Type, String> map = new Map<Type, String>();
-  A a = new A().runtimeType;
-  B b1 = new B<int>().runtimeType;
-  B b2 = new B<String>().runtimeType;
+  Type a = new A().runtimeType;
+  Type b1 = new B<int>().runtimeType;
+  Type b2 = new B<String>().runtimeType;
   map[a] = 'A';
   map[b1] = 'B<int>';
   map[b2] = 'B<String>';