Bug 1141089 - Check that we're unsetting sDestroyedFrame correctly. r=roc

--HG--
extra : rebase_source : 7e88934f0bfe1753423925d96917db1ff85d8e7c

layout/base/FrameLayerBuilder.cpp

@@ -1510,6 +1510,7 @@ GetTranslationForPaintedLayer(PaintedLayer* aLayer)
 FrameLayerBuilder::RemoveFrameFromLayerManager(nsIFrame* aFrame,
                                                void* aPropertyValue)
 {
+  MOZ_RELEASE_ASSERT(!sDestroyedFrame);
   sDestroyedFrame = aFrame;
   nsTArray<DisplayItemData*> *array =
     reinterpret_cast<nsTArray<DisplayItemData*>*>(aPropertyValue);