Updated the return of GetBudget to a sequence

third_party/WebKit/Source/modules/budget/BudgetService.idl

Index: third_party/WebKit/Source/modules/budget/BudgetService.idl
diff --git a/third_party/WebKit/Source/modules/budget/BudgetService.idl b/third_party/WebKit/Source/modules/budget/BudgetService.idl
index 2087b9c6f19f8d37caa9156a3c8eb78d981a22ca..045dce823810f9b7a66291733a7906f7d4b62f6f 100644
--- a/third_party/WebKit/Source/modules/budget/BudgetService.idl
+++ b/third_party/WebKit/Source/modules/budget/BudgetService.idl
@@ -12,6 +12,6 @@ enum OperationType {
     RuntimeEnabled=Budget
 ] interface BudgetService {
     [CallWith=ScriptState] Promise<double> getCost(OperationType operation);
-    [CallWith=ScriptState] Promise<FrozenArray<BudgetState>> getBudget();
+    [CallWith=ScriptState] Promise<sequence<BudgetState>> getBudget();
     [CallWith=ScriptState] Promise<boolean> reserve(OperationType operation);
 };