AudioRendererSinkCache: Do not use unhealthy sinks

content/renderer/media/audio_renderer_sink_cache_impl.h

Index: content/renderer/media/audio_renderer_sink_cache_impl.h
diff --git a/content/renderer/media/audio_renderer_sink_cache_impl.h b/content/renderer/media/audio_renderer_sink_cache_impl.h
index 7d163d9074c606acae482c5f181f2ecc732cf7ce..a8e675a6f414b6092af69d29792056e7ba699233 100644
--- a/content/renderer/media/audio_renderer_sink_cache_impl.h
+++ b/content/renderer/media/audio_renderer_sink_cache_impl.h
@@ -64,12 +64,17 @@ class CONTENT_EXPORT AudioRendererSinkCacheImpl
   void DeleteSink(const media::AudioRendererSink* sink_ptr,
                   bool force_delete_used);
 
-  CacheContainer::iterator FindCacheEntry_Locked(
+  CacheContainer::iterator FindHealthyCacheEntry_Locked(
       int source_render_frame_id,
       const std::string& device_id,
       const url::Origin& security_origin,
       bool unused_only);
 
+  void CacheUnusedSinkIfHealthy(int source_render_frame_id,
+                                const std::string& device_id,
+                                const url::Origin& security_origin,
+                                scoped_refptr<media::AudioRendererSink> sink);
+
   // To avoid publishing CacheEntry structure in the header.
   int GetCacheSizeForTesting();