Expose BudgetState interface to Workers.

third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html

Index: third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html b/third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html
index e1563ad8902a82eb31266ec816d1efcb5a9a9b68..549e6b1b1afae8083af764157b4c753edf33adff 100644
--- a/third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html
+++ b/third_party/WebKit/LayoutTests/http/tests/budget/interfaces.html
@@ -9,11 +9,14 @@
     <script>
       test(function() {
         assert_own_property(Navigator.prototype, 'budget');
+        assert_true('BudgetService' in self);
         assert_own_property(BudgetService.prototype, 'getCost');
         assert_own_property(BudgetService.prototype, 'getBudget');
         assert_own_property(BudgetService.prototype, 'reserve');
+        assert_true('BudgetState' in self);
+        assert_own_property(BudgetState.prototype, 'budgetAt');
+        assert_own_property(BudgetState.prototype, 'time');
         assert_equals(navigator.budget, navigator.budget);
-        assert_true('BudgetService' in self);
       }, 'NavigatorBudget should be exposed and have the expected interface in a Document.');
     </script>
   </body>