SetOpaqueCB        30 media/filters/video_renderer_impl.cc     const SetOpaqueCB& set_opaque_cb,
SetOpaqueCB        62 media/filters/video_renderer_impl.h       const SetOpaqueCB& set_opaque_cb,
SetOpaqueCB       229 media/filters/video_renderer_impl.h   SetOpaqueCB set_opaque_cb_;