bug 64146, Delay nsCharsetMenu initialization to avoid consuming ~2% of startup time, r=dp, sr=brendan, alecf

suite/common/pref/pref-charset.xul

@@ -36,6 +36,12 @@
   width="500" height="394">
 
   <script type="application/x-javascript" src="chrome://communicator/content/pref/pref-charset.js"/>
+  <script type="application/x-javascript">
+  <![CDATA[
+    var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
+    observerService.notifyObservers(null, "charsetmenu-selected", "other");
+  ]]>
+  </script>
   
 <!-- 
   <hbox class="box-smallheader" title="&charset.customize.left.header;" id="confirm_text" value="&charset.customize.save.popup;"/>

suite/common/pref/pref-languages.xul

@@ -35,6 +35,8 @@
   <script type="application/x-javascript">
   <![CDATA[
     var _elementIDs = ["active_languages", "DefaultCharsetList"];
+    var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
+    observerService.notifyObservers(null, "charsetmenu-selected", "other");
   ]]>
   </script>