Strip out stream counting from AudioRendererHost.

media/audio/audio_streams_tracker.h

Index: media/audio/audio_streams_tracker.h
diff --git a/media/audio/audio_streams_tracker.h b/media/audio/audio_streams_tracker.h
index 1071fd717f363af9467e5c5732df6276f876bc96..22dd2531414b845fbf910fe315e852400acbc0ee 100644
--- a/media/audio/audio_streams_tracker.h
+++ b/media/audio/audio_streams_tracker.h
@@ -24,12 +24,13 @@ class MEDIA_EXPORT AudioStreamsTracker {
   // Increases/decreases current stream count. Updates max stream count if
   // current count is larger.
   void IncreaseStreamCount();
-  void DecreaseStreamCount(size_t count = 1);
+  void DecreaseStreamCount();
 
   // Resets the max stream count, i.e. sets it to the current stream count.
   void ResetMaxStreamCount();
 
-  size_t max_stream_count() const;
+  bool has_streams() const { return !!current_stream_count_; }
+  size_t max_stream_count() const { return max_stream_count_; }

[o1ka, 2017/01/30 12:19:13]

These two need thread checks.

[DaleCurtis, 2017/01/30 21:12:19]

Okay, but they can't be hacker_style() then, so I'll have to rename both.

[DaleCurtis, 2017/02/06 22:19:03]

Deleted this whole class instead. It's overkill for tracking a single int for
one user now.

 
  private:
   FRIEND_TEST_ALL_PREFIXES(AudioStreamsTrackerTest, IncreaseAndDecreaseOnce);