Bug 1033482 - Allow global notification bars to be displayed at the top of the window. r=dolske

browser/base/content/browser.xul

@@ -1115,6 +1115,7 @@
 
       <splitter id="sidebar-splitter" class="chromeclass-extrachrome sidebar-splitter" hidden="true"/>
       <vbox id="appcontent" flex="1">
+        <notificationbox id="high-priority-global-notificationbox"/>
         <tabbrowser id="content"
                     flex="1" contenttooltip="aHTMLTooltip"
                     tabcontainer="tabbrowser-tabs"