Fix auto raw pointer deduction on linux

media/filters/chunk_demuxer.cc

Index: media/filters/chunk_demuxer.cc
diff --git a/media/filters/chunk_demuxer.cc b/media/filters/chunk_demuxer.cc
index 1302aa531a87e405aafd14d75a96ae3bf1001e48..a55f8e7c351cd792cccf4fb40fb03b4920c8caa8 100644
--- a/media/filters/chunk_demuxer.cc
+++ b/media/filters/chunk_demuxer.cc
@@ -711,7 +711,7 @@ void ChunkDemuxer::OnEnabledAudioTracksChanged(
       stream->set_enabled(false, currTime);
     }
   }
-  for (const auto& stream : enabled_streams) {
+  for (auto* stream : enabled_streams) {
     DVLOG(1) << __func__ << ": enabling stream " << stream;
     stream->set_enabled(true, currTime);
   }