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diff --git a/media/base/decoder_factory.h b/media/base/decoder_factory.h
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+++ b/media/base/decoder_factory.h
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+// Copyright 2016 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_BASE_DECODER_FACTORY_H_
+#define MEDIA_BASE_DECODER_FACTORY_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_vector.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+class AudioDecoder;
+class VideoDecoder;
+
+// A factory class for creating audio and video decoders.
+class MEDIA_EXPORT DecoderFactory {
+ public:
+  DecoderFactory();
+  virtual ~DecoderFactory();
+
+  // Creates audio decoders and append them to the end of |audio_decoders|.
+  virtual void CreateAudioDecoders(ScopedVector<AudioDecoder>* audio_decoders);
+
+  // Creates video decoders and append them to the end of |video_decoders|.
+  virtual void CreateVideoDecoders(ScopedVector<VideoDecoder>* video_decoders);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DecoderFactory);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_DECODER_FACTORY_H_