[gnome-shell] browser-plugin: Fix Opera support

[Jasper St. Pierre <jstpierre src gnome org>]

commit 5e4edac14d09373157c4d66d66e0a9849f05347f
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon May 14 18:12:45 2012 -0300

    browser-plugin: Fix Opera support
    
    Opera now tries to call NP_SetWindow without trying to check
    if it's a NULL pointer or not.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672192

 browser-plugin/browser-plugin.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/browser-plugin/browser-plugin.c b/browser-plugin/browser-plugin.c
index 01f335a..1703724 100644
--- a/browser-plugin/browser-plugin.c
+++ b/browser-plugin/browser-plugin.c
@@ -163,6 +163,7 @@ NP_Initialize(NPNetscapeFuncs *pfuncs, NPPluginFuncs *plugin)
   plugin->newp = NPP_New;
   plugin->destroy = NPP_Destroy;
   plugin->getvalue = NPP_GetValue;
+  plugin->setwindow = NPP_SetWindow;
 
   return NPERR_NO_ERROR;
 }
@@ -969,3 +970,12 @@ NPP_GetValue(NPP          instance,
 
   return NPERR_NO_ERROR;
 }
+
+/* Opera tries to call NPP_SetWindow without checking the
+ * NULL pointer beforehand. */
+NPError
+NPP_SetWindow(NPP          instance,
+              NPWindow    *window)
+{
+  return NPERR_NO_ERROR;
+}