Check Firewall state only initializing mDns from PrintPreview.

chrome/browser/local_discovery/service_discovery_shared_client.h

Index: chrome/browser/local_discovery/service_discovery_shared_client.h
diff --git a/chrome/browser/local_discovery/service_discovery_shared_client.h b/chrome/browser/local_discovery/service_discovery_shared_client.h
index 700e620281b173eb4ac3f26e7652d1a170ecd0b1..ca7793b7300ef1e5d079514b80a6f6deb4d17099 100644
--- a/chrome/browser/local_discovery/service_discovery_shared_client.h
+++ b/chrome/browser/local_discovery/service_discovery_shared_client.h
@@ -15,6 +15,10 @@ class ServiceDiscoverySharedClient
  public:
   static scoped_refptr<ServiceDiscoverySharedClient> GetInstance();

[Noam Samuel, 2014/08/27 17:58:56]

Maybe add a comment here that this is deprecated and a todo to remove it? Or do
you think this should stay?

[Vitaly Buka (NO REVIEWS), 2014/08/27 18:08:27]

Actually this is still primary call.
GetInstanceWithoutAlert would be gone in future.

On 2014/08/27 17:58:56, Noam Samuel wrote:

 
+  typedef base::Callback<void(scoped_refptr<ServiceDiscoverySharedClient>)>
+      GetInstanceCallback;
+  static void GetInstanceWithoutAlert(const GetInstanceCallback& callback);
+
  protected:
   ServiceDiscoverySharedClient();
   virtual ~ServiceDiscoverySharedClient();