Fixing bug 146143. Make sure the JS scope is cleared when leaving a full-page plugin. r=bzbarsky@mit.edu, sr=jaggernaut@netscape.com

git-svn-id: svn://10.0.0.236/trunk@124823 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/modules/plugin/base/src/nsPluginViewer.cpp

@@ -435,6 +435,12 @@ PluginViewerImpl::Unload(void)
 NS_IMETHODIMP
 PluginViewerImpl::Close(void)
 {
+  nsCOMPtr<nsIScriptGlobalObject> sgo(do_GetInterface(mContainer));
+
+  if (sgo) {
+    sgo->SetNewDocument(nsnull, PR_TRUE, PR_TRUE);
+  }
+
   return NS_OK;
 }