Move VideoRenderer out of Filter heirarchy.

media/base/clock.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_CLOCK_H_
 #define MEDIA_BASE_CLOCK_H_
 
 #include "base/basictypes.h"
 #include "base/time.h"
 #include "media/base/media_export.h"
@@ skipping 98 matching lines @@
   // time set via SetTime().
   base::Time reference_;
 
   // Current accumulated amount of media time.  The remaining portion must be
   // calculated by comparing the system time to the reference time.
   base::TimeDelta media_time_;
 
   // Current playback rate.
   float playback_rate_;
 
-  // The maximum time that can be returned by calls to GetCurrentTime.
+  // The maximum time that can be returned by calls to Elapsed().
   base::TimeDelta max_time_;
 
   // Duration of the media.
   base::TimeDelta duration_;
 
   DISALLOW_COPY_AND_ASSIGN(Clock);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_CLOCK_H_