[epiphany/gnome-3-20] Do not show the lock icon in the location entry for about:blank pages

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a28e92f4a54d0adb65839d29cb27c0d5ff36a866
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Wed Dec 7 15:43:00 2016 +0100

    Do not show the lock icon in the location entry for about:blank pages

 embed/ephy-web-view.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/embed/ephy-web-view.c b/embed/ephy-web-view.c
index b2df785..50320b5 100644
--- a/embed/ephy-web-view.c
+++ b/embed/ephy-web-view.c
@@ -1458,7 +1458,9 @@ update_security_status_for_committed_load (EphyWebView *view,
   g_clear_object (&view->certificate);
   g_clear_pointer (&view->tls_error_failing_uri, g_free);
 
-  if (!soup_uri || webkit_security_manager_uri_scheme_is_local (security_manager, soup_uri->scheme)) {
+  if (!soup_uri ||
+      webkit_security_manager_uri_scheme_is_local (security_manager, soup_uri->scheme) ||
+      webkit_security_manager_uri_scheme_is_empty_document (security_manager, soup_uri->scheme)) {
     security_level = EPHY_SECURITY_LEVEL_LOCAL_PAGE;
   } else if (webkit_web_view_get_tls_info (WEBKIT_WEB_VIEW (view), &view->certificate, &view->tls_errors)) {
     g_object_ref (view->certificate);