Reapply "Refactor Date implementation in VM."

lib/compiler/implementation/lib/js_helper.dart

Index: lib/compiler/implementation/lib/js_helper.dart
diff --git a/lib/compiler/implementation/lib/js_helper.dart b/lib/compiler/implementation/lib/js_helper.dart
index 9a00faa2f6edd065676e72d9a360359be7b8521c..a5cb94f47ff5942f94820fd7f4ae4fd50ab75731 100644
--- a/lib/compiler/implementation/lib/js_helper.dart
+++ b/lib/compiler/implementation/lib/js_helper.dart
@@ -499,7 +499,7 @@ class Primitives {
       value = JS('num', @'new Date(#, #, #, #, #, #, #).valueOf()',
                  years, jsMonth, day, hours, minutes, seconds, milliseconds);
     }
-    if (value.isNaN()) throw new IllegalArgumentException('');
+    if (value.isNaN()) throw new IllegalArgumentException();
     if (years <= 0 || years < 100) return patchUpY2K(value, years, isUtc);
     return value;
   }