diff options
| -rw-r--r-- | dom/base/CustomElementRegistry.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/dom/base/CustomElementRegistry.cpp b/dom/base/CustomElementRegistry.cpp index 55e2d3b30..761a79113 100644 --- a/dom/base/CustomElementRegistry.cpp +++ b/dom/base/CustomElementRegistry.cpp @@ -1034,6 +1034,8 @@ CustomElementReactionsStack::InvokeBackupQueue() // we don't need to pass global object for error reporting. InvokeReactions(&mBackupQueue, nullptr); } + MOZ_ASSERT(mBackupQueue.IsEmpty(), + "There are still some reactions in BackupQueue not being consumed!?!"); } void @@ -1050,15 +1052,14 @@ CustomElementReactionsStack::InvokeReactions(ElementQueue* aElementQueue, for (uint32_t i = 0; i < aElementQueue->Length(); ++i) { Element* element = aElementQueue->ElementAt(i); - if (!element) { - continue; - } + // ElementQueue hold a element's strong reference, it should not be a nullptr. + MOZ_ASSERT(element); RefPtr<CustomElementData> elementData = element->GetCustomElementData(); if (!elementData) { // This happens when the document is destroyed and the element is already // unlinked, no need to fire the callbacks in this case. - return; + continue; } auto& reactions = elementData->mReactionQueue; |