Make vpn destroyConfig generate disconnect message for connected configuration

extensions/browser/api/vpn_provider/vpn_service.h

Index: extensions/browser/api/vpn_provider/vpn_service.h
diff --git a/extensions/browser/api/vpn_provider/vpn_service.h b/extensions/browser/api/vpn_provider/vpn_service.h
index 024430f327bcfb97f19dbf933d36897e347b3e69..11d67d47017a48509fd13d4bc60da33a002eac97 100644
--- a/extensions/browser/api/vpn_provider/vpn_service.h
+++ b/extensions/browser/api/vpn_provider/vpn_service.h
@@ -90,6 +90,10 @@ class VpnService : public KeyedService,
   void OnExtensionUninstalled(content::BrowserContext* browser_context,
                               const extensions::Extension* extension,
                               extensions::UninstallReason reason) override;
+  void OnExtensionUnloaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      extensions::UnloadedExtensionInfo::Reason reason) override;
 
   // Creates a new VPN configuration with |configuration_name| as the name and
   // attaches it to the extension with id |extension_id|.