Replace the guts of AudioRendererBase with calls to scaling algorithm.

media/filters/audio_renderer_algorithm_base.h

Index: media/filters/audio_renderer_algorithm_base.h
===================================================================
--- media/filters/audio_renderer_algorithm_base.h	(revision 22189)
+++ media/filters/audio_renderer_algorithm_base.h	(working copy)
@@ -68,6 +68,12 @@
   virtual float playback_rate();
   virtual void set_playback_rate(float new_rate);
 
+  // Returns whether |queue_| is empty.
+  virtual bool IsQueueEmpty();
+
+  // Returns true if we have enough data
+  virtual bool IsQueueFull();
+
  protected:
   // Advances |queue_|'s internal pointer by |bytes|.
   void AdvanceInputPosition(size_t bytes);
@@ -76,9 +82,6 @@
   // bytes successfully copied.
   size_t CopyFromInput(uint8* dest, size_t bytes);
 
-  // Returns whether |queue_| is empty.
-  virtual bool IsQueueEmpty();
-
   // Returns the number of bytes left in |queue_|.
   virtual size_t QueueSize();