Added cache flush on network change to ServiceDiscoveryHostClient

chrome/browser/local_discovery/privet_notifications.h

Index: chrome/browser/local_discovery/privet_notifications.h
diff --git a/chrome/browser/local_discovery/privet_notifications.h b/chrome/browser/local_discovery/privet_notifications.h
index d8039355c99c2de408ab18804991cf405744f8ad..0e3fb93337ee6c68f903129c496f2bd771b7f159 100644
--- a/chrome/browser/local_discovery/privet_notifications.h
+++ b/chrome/browser/local_discovery/privet_notifications.h
@@ -54,6 +54,7 @@ class PrivetNotificationsListener : public PrivetInfoOperation::Delegate {
                      const std::string& name,
                      const DeviceDescription& description);
   void DeviceRemoved(const std::string& name);
+  virtual void DeviceCacheFlushed();
 
   // PrivetInfoOperation::Delegate implementation.
   virtual void OnPrivetInfoDone(
@@ -108,6 +109,8 @@ class PrivetNotificationService
 
   virtual void PrivetRemoveNotification(
       const std::string& device_name) OVERRIDE;
+  virtual void DeviceCacheFlushed() OVERRIDE;
+
  private:
   void Start();