Bug 361657 - Adopt nodes when placing them into the output window.

ChatZilla only.
r=samuel

extensions/irc/xul/content/output-window.js

@@ -133,7 +133,7 @@ function stock_initOutputWindow(newClient, newView, newClickHandler)
     updateMotifSettings();
 
     var output = document.getElementById("output");
-    output.appendChild(view.messages);
+    output.appendChild(adoptNode(view.messages));
 
     if (view.TYPE in headers)
     {
@@ -291,6 +291,11 @@ function getMotifSettings()
     return rv;
 }
 
+function adoptNode(node)
+{
+    return client.adoptNode(node, document);
+}
+
 function setText(field, text, checkCondition)
 {
     if (!header[field].firstChild)
@@ -440,7 +445,7 @@ function updateChannel()
             var data = getObjectDetails(view);
             data.dontLogURLs = true;
             var nodes = client.munger.munge(view.topic, null, data);
-            header["topicnodes"].appendChild(nodes);
+            header["topicnodes"].appendChild(adoptNode(nodes));
         }
         else
         {
@@ -479,7 +484,7 @@ function updateUser()
         var data = getObjectDetails(view);
         data.dontLogURLs = true;
         var nodes = client.munger.munge(view.desc, null, data);
-        header["descnodes"].appendChild(nodes);
+        header["descnodes"].appendChild(adoptNode(nodes));
     }
     else
     {

extensions/irc/xul/content/static.js

@@ -3497,6 +3497,29 @@ function c_updatemenus(menus)
     return this.menuManager.updateMenus(document, menus);
 }
 
+client.adoptNode =
+function cli_adoptnode(node, doc)
+{
+    try
+    {
+        doc.adoptNode(node);
+    }
+    catch(ex)
+    {
+        dd(formatException(ex));
+        var err = ex.name;
+        // TypeError from before adoptNode was added; NOT_IMPL after.
+        if ((err == "TypeError") || (err == "NS_ERROR_NOT_IMPLEMENTED"))
+            client.adoptNode = cli_adoptnode_noop;
+    }
+    return node;
+}
+
+function cli_adoptnode_noop(node, doc)
+{
+    return node;
+}
+
 client.addNetwork =
 function cli_addnet(name, serverList, temporary)
 {
@@ -4317,7 +4340,7 @@ function addHistory (source, obj, mergeData)
     if ("frame" in source)
         needScroll = checkScroll(source.frame);
     if (obj)
-        appendTo.appendChild(obj);
+        appendTo.appendChild(client.adoptNode(obj, appendTo.ownerDocument));
 
     if (source.MAX_MESSAGES)
     {