Modified unittest to use new argument syntax.

tests/html/client_rect_test.dart

Index: tests/html/client_rect_test.dart
===================================================================
--- tests/html/client_rect_test.dart	(revision 14114)
+++ tests/html/client_rect_test.dart	(working copy)
@@ -22,6 +22,6 @@
     insertTestDiv();
     var range = document.createRange();
     List<ClientRect> rects = range.getClientRects();

[Jennifer Messerly, 2012/10/26 02:57:05]

fyi, this was a pre-existing problem but: I would make this "var", otherwise it
will blow up in checked mode before it gets to the isInstanceOf test.

[gram, 2012/10/26 22:26:27]

Done.

-    Expect.isTrue(rects is List<ClientRect>);
+    expect(rects, new isInstanceOf<List<ClientRect>>('List<ClientRect>'));
   });
 }