DownloadingCB      85 content/renderer/media/buffered_data_source.cc     const DownloadingCB& downloading_cb)
DownloadingCB      47 content/renderer/media/buffered_data_source.h                      const DownloadingCB& downloading_cb);
DownloadingCB     211 content/renderer/media/buffered_data_source.h   DownloadingCB downloading_cb_;