[TO 54] AudioRendererImpl: Don't advance time when rendering stops.

media/renderers/audio_renderer_impl.h

Index: media/renderers/audio_renderer_impl.h
diff --git a/media/renderers/audio_renderer_impl.h b/media/renderers/audio_renderer_impl.h
index 3b646ed2d3c0e1879ad720f814549267408820dd..5ecf75a3f27c5699b9af4652bd34ef2ca285d260 100644
--- a/media/renderers/audio_renderer_impl.h
+++ b/media/renderers/audio_renderer_impl.h
@@ -294,6 +294,9 @@ class MEDIA_EXPORT AudioRendererImpl
   // suspend/is suspended and when it resumes.
   bool is_suspending_;
 
+  // Track the last reported media time.
+  base::TimeDelta last_reported_media_time_;
+
   // End variables which must be accessed under |lock_|. ----------------------
 
   // NOTE: Weak pointers must be invalidated before all other member variables.