media: Change auto to not deduce raw pointers.

media/filters/ffmpeg_demuxer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/ffmpeg_demuxer.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 
@@ skipping 957 matching lines @@
 
     // TODO: Implement "id" metadata in FFMPEG.
     // See: http://crbug.com/323183
     host_->AddTextStream(stream, TextTrackConfig(kind, title, language,
         std::string()));
   }
 }
 
 int64_t FFmpegDemuxer::GetMemoryUsage() const {
   int64_t allocation_size = 0;
-  for (const auto& stream : streams_) {
+  for (auto* stream : streams_) {
     if (stream)
       allocation_size += stream->MemoryUsage();
   }
   return allocation_size;
 }
 
 void FFmpegDemuxer::OnEncryptedMediaInitData(
     EmeInitDataType init_data_type,
     const std::string& encryption_key_id) {
   std::vector<uint8_t> key_id_local(encryption_key_id.begin(),
@@ skipping 615 matching lines @@
   }
 }
 
 void FFmpegDemuxer::OnDataSourceError() {
   MEDIA_LOG(ERROR, media_log_) << GetDisplayName() << ": data source error";
   host_->OnDemuxerError(PIPELINE_ERROR_READ);
 }
 
 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) {
   DCHECK(task_runner_->BelongsToCurrentThread());
-  for (const auto& stream : streams_) {  // |stream| is a ref to a pointer.
+  for (auto* stream : streams_) {
     if (stream)
       stream->SetLiveness(liveness);
   }
 }
 
 }  // namespace media