Bug 1413867 - Remove StopIteration object. r=evilpie

js/ipc/JavaScriptTypes.ipdlh

@@ -95,10 +95,6 @@ struct ReturnSuccess
 {
 };
 
-struct ReturnStopIteration
-{
-};
-
 struct ReturnDeadCPOW
 {
 };
@@ -116,7 +112,6 @@ struct ReturnObjectOpResult
 union ReturnStatus
 {
     ReturnSuccess;
-    ReturnStopIteration;
     ReturnDeadCPOW;
     ReturnException;
     ReturnObjectOpResult;

js/ipc/WrapperAnswer.cpp

@@ -62,11 +62,6 @@ WrapperAnswer::fail(AutoJSAPI& jsapi, ReturnStatus* rs)
     if (!jsapi.StealException(&exn))
         return true;
 
-    if (JS_IsStopIteration(exn)) {
-        *rs = ReturnStatus(ReturnStopIteration());
-        return true;
-    }
-
     // If this fails, we still don't want to exit. Just return an invalid
     // exception.
     (void) toVariant(cx, exn, &rs->get_ReturnException().exn());

js/ipc/WrapperOwner.cpp

@@ -1076,9 +1076,6 @@ WrapperOwner::ok(JSContext* cx, const ReturnStatus& status)
     if (status.type() == ReturnStatus::TReturnSuccess)
         return true;
 
-    if (status.type() == ReturnStatus::TReturnStopIteration)
-        return JS_ThrowStopIteration(cx);
-
     if (status.type() == ReturnStatus::TReturnDeadCPOW) {
         JS_ReportErrorASCII(cx, "operation not possible on dead CPOW");
         return false;