Remove time getters from AudioBufferQueue and AudioRendererAlgorithm.

media/base/audio_buffer_queue.h

 // Copyright 2013 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_AUDIO_BUFFER_QUEUE_H_
 #define MEDIA_BASE_AUDIO_BUFFER_QUEUE_H_
 
 #include <deque>
 
 #include "base/basictypes.h"
@@ skipping 39 matching lines @@
                  int dest_frame_offset,
                  AudioBus* dest);
 
   // Moves the current position forward by |frames| frames. If |frames| exceeds
   // frames available, the seek operation will fail.
   void SeekFrames(int frames);
 
   // Returns the number of frames buffered beyond the current position.
   int frames() const { return frames_; }
 
-  // Returns the current timestamp, taking into account current offset. The
-  // value calculated based on the timestamp of the current buffer. If timestamp
-  // for the current buffer is set to 0, then returns value that corresponds to
-  // the last position in a buffer that had timestamp set. kNoTimestamp() is
-  // returned if no buffers we read from had timestamp set.
-  base::TimeDelta current_time() const { return current_time_; }
-
  private:
   // Definition of the buffer queue.
   typedef std::deque<scoped_refptr<AudioBuffer> > BufferQueue;
 
   // An internal method shared by ReadFrames() and SeekFrames() that actually
   // does reading. It reads a maximum of |frames| frames into |dest|. Returns
   // the number of frames read. The current position will be moved forward by
   // the number of frames read if |advance_position| is set. If |dest| is NULL,
   // only the current position will advance but no data will be copied.
   // |source_frame_offset| can be used to skip frames before reading.
   // |dest_frame_offset| specifies a starting offset into |dest|.
   int InternalRead(int frames,
                    bool advance_position,
                    int source_frame_offset,
                    int dest_frame_offset,
                    AudioBus* dest);
 
-  // Updates |current_time_| with the time that corresponds to the specified
-  // position in the buffer.
-  void UpdateCurrentTime(BufferQueue::iterator buffer, int offset);
-
   BufferQueue::iterator current_buffer_;
   BufferQueue buffers_;
   int current_buffer_offset_;
 
   // Number of frames available to be read in the buffer.
   int frames_;
 
-  // Keeps track of the most recent time we've seen in case the |buffers_| is
-  // empty when our owner asks what time it is.
-  base::TimeDelta current_time_;
-
   DISALLOW_COPY_AND_ASSIGN(AudioBufferQueue);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_AUDIO_BUFFER_QUEUE_H_