MediaLog: Log selected audio/video decoder name.

media/filters/ffmpeg_audio_decoder.h

 // 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.
 
 #ifndef MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_
 #define MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_
 
 #include <list>
 
 #include "base/callback.h"
@@ skipping 18 matching lines @@
 class DecoderBuffer;
 
 class MEDIA_EXPORT FFmpegAudioDecoder : public AudioDecoder {
  public:
   FFmpegAudioDecoder(
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       const LogCB& log_cb);
   virtual ~FFmpegAudioDecoder();
 
   // AudioDecoder implementation.
+  virtual std::string GetDisplayName() const OVERRIDE;
   virtual void Initialize(const AudioDecoderConfig& config,
                           const PipelineStatusCB& status_cb,
                           const OutputCB& output_cb) OVERRIDE;
   virtual void Decode(const scoped_refptr<DecoderBuffer>& buffer,
                       const DecodeCB& decode_cb) OVERRIDE;
   virtual void Reset(const base::Closure& closure) OVERRIDE;
 
  private:
   // There are four states the decoder can be in:
   //
@@ skipping 58 matching lines @@
   scoped_ptr<AudioDiscardHelper> discard_helper_;
 
   LogCB log_cb_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_