Revert of Reland 501823002: Used native deinterleaved and float point format for the input streams

media/base/audio_block_fifo.h

Index: media/base/audio_block_fifo.h
diff --git a/media/base/audio_block_fifo.h b/media/base/audio_block_fifo.h
index 56a2fe0ac27a75c65d745b67881710516bbb22b7..fdb5cef6225664dc81974a30764c1bee983813c4 100644
--- a/media/base/audio_block_fifo.h
+++ b/media/base/audio_block_fifo.h
@@ -28,10 +28,6 @@
   // Push() will crash if the allocated space is insufficient.
   void Push(const void* source, int frames, int bytes_per_sample);
 
-  // Pushes the audio data from |source| to the FIFO.
-  // Push() will crash if the allocated space is insufficient.
-  void Push(const AudioBus* source);
-
   // Consumes a block of audio from the FIFO.  Returns an AudioBus which
   // contains the consumed audio data to avoid copying.
   // Consume() will crash if the FIFO does not contain a block of data.
@@ -50,9 +46,6 @@
   int GetUnfilledFrames() const;
 
  private:
-  // Helper method to update the indexes in Push methods.
-  void UpdatePosition(int push_frames);
-
   // The actual FIFO is a vector of audio buses.
   ScopedVector<AudioBus> audio_blocks_;