--- a/layout/ipc/RenderFrameParent.cpp
+++ b/layout/ipc/RenderFrameParent.cpp
@@ -115,21 +115,25 @@ RenderFrameParent::Init(nsFrameLoader* a
   mAsyncPanZoomEnabled = lm && lm->AsyncPanZoomEnabled();
 
   TabParent* browser = TabParent::GetFrom(mFrameLoader);
   if (XRE_IsParentProcess()) {
     // Our remote frame will push layers updates to the compositor,
     // and we'll keep an indirect reference to that tree.
     browser->Manager()->AsContentParent()->AllocateLayerTreeId(browser, &mLayersId);
     if (lm && lm->AsClientLayerManager()) {
-      lm->AsClientLayerManager()->GetRemoteRenderer()->SendNotifyChildCreated(mLayersId);
+      if (!lm->AsClientLayerManager()->GetRemoteRenderer()->SendNotifyChildCreated(mLayersId)) {
+        return false;
+      }
     }
   } else if (XRE_IsContentProcess()) {
     ContentChild::GetSingleton()->SendAllocateLayerTreeId(browser->Manager()->ChildID(), browser->GetTabId(), &mLayersId);
-    CompositorBridgeChild::Get()->SendNotifyChildCreated(mLayersId);
+    if (!CompositorBridgeChild::Get()->SendNotifyChildCreated(mLayersId)) {
+      return false;
+    }
   }
 
   mInitted = true;
   return true;
 }
 
 bool
 RenderFrameParent::IsInitted()