PagePopupFeaturesClient  158 Source/web/WebPagePopupImpl.cpp bool PagePopupFeaturesClient::isEnabled(Document*, ContextFeatures::FeatureType type, bool defaultValue)
PagePopupFeaturesClient  213 Source/web/WebPagePopupImpl.cpp     static ContextFeaturesClient* pagePopupFeaturesClient =  new PagePopupFeaturesClient();