Rename MediaFilter and MediaFilterCollection to Filter and FilterCollection, respectively.

media/filters/video_renderer_base.h

 // Copyright (c) 2010 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.
 
 // VideoRendererBase creates its own thread for the sole purpose of timing frame
 // presentation.  It handles reading from the decoder and stores the results in
 // a queue of decoded frames, calling OnFrameAvailable() on subclasses to notify
 // when a frame is ready to display.
 //
 // The media filter methods Initialize(), Stop(), SetPlaybackRate() and Seek()
@@ skipping 26 matching lines @@
   // Helper method to parse out video-related information from a MediaFormat.
   // Returns true all the required parameters are existent in |media_format|.
   // |surface_type_out|, |surface_format_out|, |width_out|, |height_out| can
   // be NULL where the result is not needed.
   static bool ParseMediaFormat(
       const MediaFormat& media_format,
       VideoFrame::SurfaceType* surface_type_out,
       VideoFrame::Format* surface_format_out,
       int* width_out, int* height_out);
 
-  // MediaFilter implementation.
+  // Filter implementation.
   virtual void Play(FilterCallback* callback);
   virtual void Pause(FilterCallback* callback);
   virtual void Flush(FilterCallback* callback);
   virtual void Stop(FilterCallback* callback);
   virtual void SetPlaybackRate(float playback_rate);
   virtual void Seek(base::TimeDelta time, FilterCallback* callback);
 
   // VideoRenderer implementation.
   virtual void Initialize(VideoDecoder* decoder, FilterCallback* callback);
   virtual bool HasEnded();
@@ skipping 152 matching lines @@
   scoped_ptr<FilterCallback> seek_callback_;
 
   base::TimeDelta seek_timestamp_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoRendererBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_VIDEO_RENDERER_BASE_H_