--- a/layout/tools/layout-debug/ui/content/layoutdebug.xul
+++ b/layout/tools/layout-debug/ui/content/layoutdebug.xul
@@ -44,17 +44,17 @@
     <key id="openFileKb" key="&ldb.Open.commandkey;" oncommand="openFile()"  modifiers="accel"/>
     <key id="key_close"/>
     <key id="key_quit"/>
   </keyset>
 
   <vbox flex="1">
 
     <toolbox>
-      <menubar id="main-menubar" grippyhidden="true">
+      <menubar id="main-menubar">
         <menu id="menu_file" label="File" accesskey="F">
           <menupopup id="menu_FilePopup">
             <menuitem id="menu_open" label="&ldb.Open.label;" accesskey="&ldb.Open.accesskey;" key="openFileKb" oncommand="openFile()"/>
             <menuitem id="menu_close" label="Close" accesskey="C" oncommand="window.close();"/>
           </menupopup>
         </menu>
         <menu label="&ldb.ToggleMenu.label;"
               accesskey="&ldb.ToggleMenu.accesskey;">
@@ -87,17 +87,17 @@
             <menuitem id="menu_dumpReflowStats" label="&ldb.dumpReflowStats.label;" accesskey="&ldb.dumpReflowStats.accesskey;" oncommand="gDebugger.dumpReflowStats();" />
           </menupopup>
         </menu>
         <menu id="tasksMenu"/>
         <menu id="windowMenu"/>
         <menu id="menu_Help"/>
       </menubar>
 
-      <toolbar grippyhidden="true">
+      <toolbar>
         <toolbarbutton id="back-button" class="toolbarbutton-1"
                        label="&ldb.BackButton.label;"
                        oncommand="gBrowser.goBack();" />
         <toolbarbutton id="forward-button" class="toolbarbutton-1"
                        label="&ldb.ForwardButton.label;"
                        oncommand="gBrowser.goForward();" />
         <toolbarbutton id="reload-button" class="toolbarbutton-1"
                        label="&ldb.ReloadButton.label;"