MTPStorageEventHandler  220 device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc       const MTPStorageEventHandler& handler) OVERRIDE {
MTPStorageEventHandler  387 device/media_transfer_protocol/media_transfer_protocol_daemon_client.cc   void OnMTPStorageSignal(MTPStorageEventHandler handler,
MTPStorageEventHandler  163 device/media_transfer_protocol/media_transfer_protocol_daemon_client.h   virtual void ListenForChanges(const MTPStorageEventHandler& handler) = 0;