MockDistillerObserver  256 components/dom_distiller/core/dom_distiller_service_unittest.cc   MockDistillerObserver observer;
MockDistillerObserver  279 components/dom_distiller/core/dom_distiller_service_unittest.cc   MockDistillerObserver observers[kObserverCount];
MockDistillerObserver  446 components/dom_distiller/core/dom_distiller_store_unittest.cc   MockDistillerObserver observer;