media: Remove FilterCollection.

media/base/filter_collection.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_BASE_FILTER_COLLECTION_H_
-#define MEDIA_BASE_FILTER_COLLECTION_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "media/base/media_export.h"
-
-namespace media {
-
-class Demuxer;
-class Renderer;
-class TextRenderer;
-
-// Represents a set of uninitialized demuxer and renderers. Used to start a
-// Pipeline object for media playback.
-//
-// TODO(xhwang): Create TextRenderer in Pipeline, pass Demuxer and Renderer to
-// Pipeline, and remove FilterCollection, see http://crbug.com/110800
-class MEDIA_EXPORT FilterCollection {
- public:
-  FilterCollection();
-  ~FilterCollection();
-
-  void SetDemuxer(Demuxer* demuxer);
-  Demuxer* GetDemuxer();
-
-  void SetRenderer(scoped_ptr<Renderer> renderer);
-  scoped_ptr<Renderer> GetRenderer();
-
-  void SetTextRenderer(scoped_ptr<TextRenderer> text_renderer);
-  scoped_ptr<TextRenderer> GetTextRenderer();
-
- private:
-  Demuxer* demuxer_;
-  scoped_ptr<Renderer> renderer_;
-  scoped_ptr<TextRenderer> text_renderer_;
-
-  DISALLOW_COPY_AND_ASSIGN(FilterCollection);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_BASE_FILTER_COLLECTION_H_