Improve audible token detection.

components/copresence/handlers/audio/audio_directive_list.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/copresence/handlers/audio/audio_directive_list.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "media/base/audio_bus.h"
@@ skipping 107 matching lines @@
   }
 
   if (list->empty())
     return make_scoped_ptr<AudioDirective>(NULL);
 
   return make_scoped_ptr(new AudioDirective(list->top()));
 }
 
 void AudioDirectiveList::OnTokenEncoded(
     const std::string& token,
+    bool /* audible */,
     const scoped_refptr<media::AudioBusRefCounted>& samples) {
   // We shouldn't re-encode a token if it's already in the cache.
   DCHECK(!samples_cache_.HasKey(token));
   DVLOG(3) << "Token: " << token << " encoded.";
   samples_cache_.Add(token, samples);
 
   // Copy the samples into their corresponding directive object and move
   // that object into the active queue.
   std::map<std::string, AudioDirective>::iterator it =
       pending_transmit_tokens_.find(token);
 
   it->second.samples = samples;
   active_transmit_tokens_.push(it->second);
   pending_transmit_tokens_.erase(it);
 
   if (!token_added_callback_.is_null())
     token_added_callback_.Run();
 }
 
 }  // namespace copresence