[evolution] Crash under e_dom_resize_document_content_to_preview_width()

[Milan Crha <mcrha src gnome org>]

commit 929dbca69c5a40a69fc281aec9b968bd4160c6f8
Author: Milan Crha <mcrha redhat com>
Date:   Mon Oct 23 19:04:03 2017 +0200

    Crash under e_dom_resize_document_content_to_preview_width()
    
    Instead of using passed-in WebKitDOMDocument valid from time of
    the event subscribing, get the current document from the object
    which sent the signal.
    
    This had been reported downstream at:
    https://bugzilla.redhat.com/show_bug.cgi?id=1504503

 src/web-extensions/e-dom-utils.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/src/web-extensions/e-dom-utils.c b/src/web-extensions/e-dom-utils.c
index adcb956..863278f 100644
--- a/src/web-extensions/e-dom-utils.c
+++ b/src/web-extensions/e-dom-utils.c
@@ -999,11 +999,16 @@ e_dom_resize_document_content_to_preview_width (WebKitDOMDocument *document)
 }
 
 static void
-dom_window_resize_cb (WebKitDOMElement *element,
+dom_window_resize_cb (WebKitDOMDOMWindow *dom_window,
                       WebKitDOMEvent *event,
-                      WebKitDOMDocument *document)
+                      gpointer user_data)
 {
-       e_dom_resize_document_content_to_preview_width (document);
+       WebKitDOMDocument *document;
+
+       document = webkit_dom_dom_window_get_document (dom_window);
+
+       if (document)
+               e_dom_resize_document_content_to_preview_width (document);
 }
 
 void
@@ -1036,8 +1041,7 @@ e_dom_utils_e_mail_display_bind_dom (WebKitDOMDocument *document,
                WEBKIT_DOM_EVENT_TARGET (dom_window),
                "resize",
                G_CALLBACK (dom_window_resize_cb),
-               FALSE,
-               document);
+               FALSE, NULL);
 
        e_dom_utils_add_css_rule_into_style_sheet (
                document,