RemoveChangeObserverForExtension 145 chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc RemoveChangeObserverForExtension(details.extension_id); RemoveChangeObserverForExtension 169 chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc RemoveChangeObserverForExtension(reason->extension->id()); RemoveChangeObserverForExtension 87 chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.h void RemoveChangeObserverForExtension(const std::string& extension_id);