[epiphany/mcatanzaro/passwords-for-gnome-3-32: 8/9] web-extension: Print better JS error messages

[Jan-Michael Brummer <jbrummer src gnome org>]

commit 0401e998a2cc0b727d2497985027e39bf8e02702
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Mar 3 15:49:33 2019 -0600

    web-extension: Print better JS error messages
    
    The message alone is not enough detail to debug JS errors.

 embed/web-extension/ephy-web-extension.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
---
diff --git a/embed/web-extension/ephy-web-extension.c b/embed/web-extension/ephy-web-extension.c
index 14dcc4469..a802ec83b 100644
--- a/embed/web-extension/ephy-web-extension.c
+++ b/embed/web-extension/ephy-web-extension.c
@@ -654,15 +654,14 @@ static void
 js_exception_handler (JSCContext   *context,
                       JSCException *exception)
 {
-  JSCValue *js_console;
-  JSCValue *js_result;
+  g_autoptr(JSCValue) js_console = NULL;
+  g_autoptr(JSCValue) js_result = NULL;
+  g_autofree char *report = NULL;
 
   js_console = jsc_context_get_value (context, "console");
   js_result = jsc_value_object_invoke_method (js_console, "error", JSC_TYPE_EXCEPTION, exception, 
G_TYPE_NONE);
-  g_object_unref (js_result);
-  g_object_unref (js_console);
-
-  g_warning ("JavaScriptException: %s", jsc_exception_get_message (exception));
+  report = jsc_exception_report (exception);
+  g_warning ("%s", report);
 
   jsc_context_throw_exception (context, exception);
 }