Add an explicit way of forcing the MDnsClient to listen on the network

net/dns/mdns_client.h

Index: net/dns/mdns_client.h
diff --git a/net/dns/mdns_client.h b/net/dns/mdns_client.h
index f1f5adbe76db669c234fbc74f6c9d396d914779a..09d491b0b15fb582922e8c13d2bc05337b7ebcab 100644
--- a/net/dns/mdns_client.h
+++ b/net/dns/mdns_client.h
@@ -144,6 +144,10 @@ class NET_EXPORT MDnsClient {
       int flags,
       const MDnsTransaction::ResultCallback& callback) = 0;
 
+  virtual bool StartListening() = 0;
+  virtual void StopListening() = 0;

[szym, 2013/07/02 17:27:56]

Is it safe to call this from callbacks?

[Noam Samuel, 2013/07/02 18:08:22]

No, though I think in this case it makes sense to add a comment to this effect
rather than make it safe. Comment added.

+  virtual bool GetListening() const = 0;

[gene, 2013/07/02 03:39:16]

IsListening() ?

[szym, 2013/07/02 17:27:56]

I concur it should be IsListening.

[Noam Samuel, 2013/07/02 18:08:22]

Done.

+
   // Lazily create and return static instance for MDnsClient.
   static MDnsClient* GetInstance();