Backed out changeset 9dfa7711709f (bug 1722422) for causing build bustages on SurfaceCache.cpp. CLOSED TREE

image/SurfaceCache.cpp

@@ -1879,12 +1879,9 @@ void SurfaceCache::ReleaseImageOnMainThread(
     return;
   }
 
-  // Don't try to dispatch the release after shutdown.
+  // Don't try to dispatch the release after shutdown, we'll just leak the
+  // runnable.
   if (gXPCOMThreadsShutDown) {
-    // Note, this intentionally leaks! If we can't dispatch to the main thread
-    // because we are late in shutdown then it's better to leak then to release
-    // on this thread.
-    image::Image* intentionalLeak = aImage.take();
     return;
   }