Added logging to local discovery code

chrome/browser/local_discovery/privet_device_lister_impl.cc

Index: chrome/browser/local_discovery/privet_device_lister_impl.cc
diff --git a/chrome/browser/local_discovery/privet_device_lister_impl.cc b/chrome/browser/local_discovery/privet_device_lister_impl.cc
index cf153a41bfba1151785936979cb4ed5df93f9cce..421f92ffd7896a2623ad5302c9827273f76f291d 100644
--- a/chrome/browser/local_discovery/privet_device_lister_impl.cc
+++ b/chrome/browser/local_discovery/privet_device_lister_impl.cc
@@ -41,6 +41,7 @@ void PrivetDeviceListerImpl::Start() {
 }
 
 void PrivetDeviceListerImpl::DiscoverNewDevices(bool force_update) {
+  VLOG(1) << "DiscoverNewDevices in privet layer";
   service_watcher_->DiscoverNewServices(force_update);
 }
 
@@ -56,6 +57,7 @@ void PrivetDeviceListerImpl::OnServiceUpdated(
   }
 
   if (update != ServiceWatcher::UPDATE_REMOVED) {
+    VLOG(1) << "Service added or updated in privet layer: " << service_name;

[Vitaly Buka (NO REVIEWS), 2013/09/10 04:47:41]

Log will have file name and line
so no need "privet layer" part

[Noam Samuel, 2013/09/10 23:23:34]

Done.

     bool added = (update == ServiceWatcher::UPDATE_ADDED);
     std::pair<ServiceResolverMap::iterator, bool> insert_result =
         resolvers_.insert(make_pair(service_name,
@@ -74,6 +76,7 @@ void PrivetDeviceListerImpl::OnServiceUpdated(
       insert_result.first->second->StartResolving();
     }
   } else {
+    VLOG(1) << "Service removed in privet layer: " << service_name;

[Vitaly Buka (NO REVIEWS), 2013/09/10 04:47:41]

same

[Noam Samuel, 2013/09/10 23:23:34]

Done.

     delegate_->DeviceRemoved(service_name);
   }
 }
@@ -93,6 +96,9 @@ void PrivetDeviceListerImpl::OnResolveComplete(
   FillDeviceDescription(service_description, &device_description);
 
   std::string service_name = service_description.service_name;
+
+  VLOG(1) << "Finished resolving service " << service_name
+          << " in privet layer";

[Vitaly Buka (NO REVIEWS), 2013/09/10 04:47:41]

same

[Noam Samuel, 2013/09/10 23:23:34]

Done.

   resolvers_.erase(service_name);
   delegate_->DeviceChanged(added, service_name, device_description);
 }