Improve audible token detection.

components/copresence/handlers/audio/audio_directive_list.h

Index: components/copresence/handlers/audio/audio_directive_list.h
diff --git a/components/copresence/handlers/audio/audio_directive_list.h b/components/copresence/handlers/audio/audio_directive_list.h
index b94dec777bee06dcddd9632c74a3348aab48e8b9..d97a54915e0c6afb472b06e047c3e43e2dbda285 100644
--- a/components/copresence/handlers/audio/audio_directive_list.h
+++ b/components/copresence/handlers/audio/audio_directive_list.h
@@ -52,8 +52,9 @@ struct AudioDirective {
 // classes from it.
 class AudioDirectiveList {
  public:
-  typedef base::Callback<
-      void(const std::string&, const scoped_refptr<media::AudioBusRefCounted>&)>
+  typedef base::Callback<void(const std::string&,
+                              bool,
+                              const scoped_refptr<media::AudioBusRefCounted>&)>
       SamplesCallback;
   typedef base::Callback<void(const std::string&, bool, const SamplesCallback&)>
       EncodeTokenCallback;
@@ -78,6 +79,7 @@ class AudioDirectiveList {
   // This is the method that the whispernet client needs to call to return
   // samples to us.
   void OnTokenEncoded(const std::string& token,
+                      bool audible,
                       const scoped_refptr<media::AudioBusRefCounted>& samples);
 
  private: