Delete DownloadRateMonitor since it's never worked right.

media/base/pipeline.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_PIPELINE_H_
 #define MEDIA_BASE_PIPELINE_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "media/base/demuxer.h"
-#include "media/base/download_rate_monitor.h"
 #include "media/base/filter_host.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/ranges.h"
 #include "ui/gfx/size.h"
 
 class MessageLoop;
 
 namespace base {
 class MessageLoopProxy;
@@ skipping 421 matching lines @@
   // Initiates a Seek() on the |demuxer_| & |pipeline_filter_|.
   void DoSeek(base::TimeDelta seek_timestamp);
 
   // Called when |demuxer_| finishes seeking. If seeking was successful,
   // then Seek() is called on |pipeline_filter_|.
   void OnDemuxerSeekDone(base::TimeDelta seek_timestamp,
                          PipelineStatus status);
 
   void OnAudioUnderflow();
 
-  // Called when |download_rate_monitor_| believes that the media can
-  // be played through without needing to pause to buffer.
-  void OnCanPlayThrough();
-
-  // Carries out the notification that the media can be played through without
-  // needing to pause to buffer.
-  void NotifyCanPlayThrough();
-
   void StartClockIfWaitingForTimeUpdate_Locked();
 
   // Report pipeline |status| through |cb| avoiding duplicate error reporting.
   void ReportStatus(const PipelineStatusCB& cb, PipelineStatus status);
 
   // Message loop used to execute pipeline tasks.
   scoped_refptr<base::MessageLoopProxy> message_loop_;
 
   // MediaLog to which to log events.
   scoped_refptr<MediaLog> media_log_;
@@ skipping 24 matching lines @@
 
   // Approximate time ranges of buffered media.
   Ranges<base::TimeDelta> buffered_time_ranges_;
 
   // Total size of the media.  Set by filters.
   int64 total_bytes_;
 
   // Video's natural width and height.  Set by filters.
   gfx::Size natural_size_;
 
-  // Set by the demuxer to indicate whether the data source is a streaming
-  // source.
-  bool streaming_;
-
-  // Indicates whether the data source is local, such as a local media file
-  // from disk or a local webcam stream.
-  bool local_source_;
-
   // Current volume level (from 0.0f to 1.0f).  This value is set immediately
   // via SetVolume() and a task is dispatched on the message loop to notify the
   // filters.
   float volume_;
 
   // Current playback rate (>= 0.0f).  This value is set immediately via
   // SetPlaybackRate() and a task is dispatched on the message loop to notify
   // the filters.
   float playback_rate_;
 
@@ skipping 73 matching lines @@
   // initialization.
   struct PipelineInitState;
   scoped_ptr<PipelineInitState> pipeline_init_state_;
 
   // Statistics.
   PipelineStatistics statistics_;
   // Time of pipeline creation; is non-zero only until the pipeline first
   // reaches "kStarted", at which point it is used & zeroed out.
   base::Time creation_time_;
 
-  // Approximates the rate at which the media is being downloaded.
-  DownloadRateMonitor download_rate_monitor_;
-
-  // True if the pipeline is actively downloading bytes, false otherwise.
-  bool is_downloading_data_;
-
   DISALLOW_COPY_AND_ASSIGN(Pipeline);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_H_