SessionCallback   525 chrome/browser/sessions/session_service.cc     const SessionCallback& callback,
SessionCallback   867 chrome/browser/sessions/session_service.cc     const SessionCallback& callback,
SessionCallback   197 chrome/browser/sessions/session_service.h       const SessionCallback& callback,
SessionCallback   285 chrome/browser/sessions/session_service.h   void OnGotSessionCommands(const SessionCallback& callback,