Added piping for sending audio packets from host to client.

remoting/client/chromoting_client.cc

Index: remoting/client/chromoting_client.cc
diff --git a/remoting/client/chromoting_client.cc b/remoting/client/chromoting_client.cc
index 8b25885d970dcf07852e0e2d5b3a0b45d3d39727..a150b67171507aedad2aa657677b406f9f68c0bb 100644
--- a/remoting/client/chromoting_client.cc
+++ b/remoting/client/chromoting_client.cc
@@ -8,6 +8,7 @@
 #include "remoting/client/chromoting_view.h"
 #include "remoting/client/client_context.h"
 #include "remoting/client/rectangle_update_decoder.h"
+#include "remoting/proto/audio.pb.h"

[Wez, 2012/06/22 18:29:53]

nit: Why do we need to include audio.pb.h here; we don't need to include
video.pb.h?  If VideoPacket is being implicitly pulled in via some other header
then we should also include video.pb.h for IWYU.

[kxing, 2012/06/22 19:12:31]

Done.

 #include "remoting/protocol/authentication_method.h"
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/negotiating_authenticator.h"
@@ -60,7 +61,7 @@ void ChromotingClient::Start(
 
   connection_->Connect(xmpp_proxy, config_.local_jid, config_.host_jid,
                        config_.host_public_key, transport_factory.Pass(),
-                       authenticator.Pass(), this, this, this, this);
+                       authenticator.Pass(), this, this, this, this, this);
 
   view_->Initialize();
 }
@@ -140,6 +141,12 @@ int ChromotingClient::GetPendingPackets() {
   return received_packets_.size();
 }
 
+void ChromotingClient::ProcessAudioPacket(scoped_ptr<AudioPacket> packet,
+                                          const base::Closure& done) {
+  // TODO(kxing): Playback audio.
+  done.Run();
+}
+
 void ChromotingClient::DispatchPacket() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   CHECK(!packet_being_processed_);