Added cache flush on network change to ServiceDiscoveryHostClient

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 1d4e4d706f4b856ae6f895bf00c02a26532c5b9a..89cffc92ea89d9bfb58c507cace3abce67a9ab2b 100644
--- a/chrome/browser/local_discovery/privet_device_lister_impl.cc
+++ b/chrome/browser/local_discovery/privet_device_lister_impl.cc
@@ -52,6 +52,11 @@ void PrivetDeviceListerImpl::DiscoverNewDevices(bool force_update) {
 void PrivetDeviceListerImpl::OnServiceUpdated(
     ServiceWatcher::UpdateType update,
     const std::string& service_name) {
+  if (update == ServiceWatcher::UPDATE_CACHE_FLUSHED) {
+    delegate_->DeviceCacheFlushed();
+    return;
+  }
+
   if (update != ServiceWatcher::UPDATE_REMOVED) {
     bool added = (update == ServiceWatcher::UPDATE_ADDED);
     std::pair<ServiceResolverMap::iterator, bool> insert_result =