Revert of Make more media APIs aware of |delay| and |delay_timestamp|

media/audio/audio_output_controller.h

Index: media/audio/audio_output_controller.h
diff --git a/media/audio/audio_output_controller.h b/media/audio/audio_output_controller.h
index ce16c1d16336e3207ec37201a083bf14d20e3a2e..856716f7774f943f9342b1c951d53eef6fce6091 100644
--- a/media/audio/audio_output_controller.h
+++ b/media/audio/audio_output_controller.h
@@ -88,14 +88,14 @@
    public:
     virtual ~SyncReader() {}
 
-    // This is used by SyncReader to prepare more data and perform
-    // synchronization. Also inform about output delay at a certain moment and
-    // if any frames have been skipped by the renderer (typically the OS). The
-    // renderer source can handle this appropriately depending on the type of
-    // source. An ordinary file playout would ignore this.
-    virtual void RequestMoreData(base::TimeDelta delay,
-                                 base::TimeTicks delay_timestamp,
-                                 int prior_frames_skipped) = 0;
+    // Notify the synchronous reader the number of bytes in the
+    // AudioOutputController not yet played. This is used by SyncReader to
+    // prepare more data and perform synchronization. Also inform about if any
+    // frames has been skipped by the renderer (typically the OS). The renderer
+    // source can handle this appropriately depending on the type of source. An
+    // ordinary file playout would ignore this.
+    virtual void UpdatePendingBytes(uint32_t bytes,
+                                    uint32_t frames_skipped) = 0;
 
     // Attempts to completely fill |dest|, zeroing |dest| if the request can not
     // be fulfilled (due to timeout).