SaveCustomWallpaper 1339 chrome/browser/chromeos/login/wallpaper_manager.cc     SaveCustomWallpaper(user_id_hash, base::FilePath(info.file), info.layout,
SaveCustomWallpaper  424 chrome/browser/chromeos/login/wallpaper_manager.h   void SaveCustomWallpaper(const std::string& user_id_hash,