Redesign the copresence audio handlers.

components/copresence/rpc/rpc_handler.h

 // 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.
 
 #ifndef COMPONENTS_COPRESENCE_RPC_RPC_HANDLER_H_
 #define COMPONENTS_COPRESENCE_RPC_RPC_HANDLER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 99 matching lines @@
   // to contact the server, but it can be overridden for testing.
   void SendHttpPost(net::URLRequestContextGetter* url_context_getter,
                     const std::string& rpc_name,
                     scoped_ptr<google::protobuf::MessageLite> request_proto,
                     const PostCleanupCallback& callback);
 
   // This method receives the request to encode a token and forwards it to
   // whispernet, setting the samples return callback to samples_callback.
   void AudioDirectiveListToWhispernetConnector(
       const std::string& token,
-      bool audible,
+      AudioType type,
       const WhispernetClient::SamplesCallback& samples_callback);
 
   CopresenceDelegate* delegate_;  // Belongs to the caller.
   TimedMap<std::string, bool> invalid_audio_token_cache_;
   PostCallback server_post_callback_;
 
   std::string device_id_;
   scoped_ptr<DirectiveHandler> directive_handler_;
   std::set<HttpPost*> pending_posts_;
 
   DISALLOW_COPY_AND_ASSIGN(RpcHandler);
 };
 
 }  // namespace copresence
 
 #endif  // COMPONENTS_COPRESENCE_RPC_RPC_HANDLER_H_