Bug 1376089 - Backed out changeset 96941e476121 for bustage.

MozReview-Commit-ID: FxavjFmStuL

xpcom/base/CycleCollectedJSRuntime.cpp

@@ -108,7 +108,7 @@ struct DeferredFinalizeFunctionHolder
   void* data;
 };
 
-class IncrementalFinalizeRunnable : public CancelableRunnable
+class IncrementalFinalizeRunnable : public Runnable
 {
   typedef AutoTArray<DeferredFinalizeFunctionHolder, 16> DeferredFinalizeArray;
   typedef CycleCollectedJSRuntime::DeferredFinalizerTable DeferredFinalizerTable;