Bug 123258 - Add checkbox to make ChatZilla start on startup of Suite.

ChatZilla only.
r=silver
p=gijskruitbosch+bugs@gmail.com (Gijs Kruitbosch)

extensions/irc/xul/content/contents.rdf

@@ -24,6 +24,7 @@
     <RDF:li resource="chrome://editor/content/editorTasksOverlay.xul"/>
     <RDF:li resource="chrome://browser/content/browser.xul"/>
     <RDF:li resource="chrome://communicator/content/pref/preftree.xul"/>
+    <RDF:li resource="chrome://communicator/content/pref/pref-appearance.xul"/>
   </RDF:Seq>
 
   <RDF:Seq about="chrome://browser/content/browser.xul">
@@ -38,4 +39,8 @@
     <RDF:li>chrome://chatzilla/content/prefsOverlay.xul</RDF:li>
   </RDF:Seq>
 
+  <RDF:Seq about="chrome://communicator/content/pref/pref-appearance.xul">
+    <RDF:li>chrome://chatzilla/content/prefsOverlay.xul</RDF:li>
+  </RDF:Seq>
+
 </RDF:RDF>

extensions/irc/xul/content/prefsOverlay.xul

@@ -40,6 +40,7 @@
 
 <overlay id="ovCZPrefs" 
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <!-- Tree entry -->
   <treechildren id="panelChildren">
     <treeitem container="false" id="chatzillaItem" insertbefore="advancedItem">
       <treerow>
@@ -48,6 +49,21 @@
       </treerow>
     </treeitem>
   </treechildren>
+
+  <!-- Startup option -->
+  <script type="application/x-javascript">
+    <![CDATA[
+        var panel;
+        if (panel != undefined && 
+            (panel == "chrome://communicator/content/pref/pref-appearance.xul"))
+            _elementIDs.push("generalStartupChat");
+    ]]>
+  </script>
+  <groupbox id="generalStartupPreferences">
+    <checkbox id="generalStartupChat" label="&startup.chat.label;"
+              accesskey="&startup.chat.accesskey;" pref="true" preftype="bool"
+              prefstring="general.startup.chat" prefattribute="checked"
+              wsm_persist="true"/>
+  </groupbox>
 </overlay>
 
-        

extensions/irc/xul/locale/en-US/pref-irc.dtd

@@ -4,3 +4,5 @@
 <!ENTITY pref-irc.open.desc      "ChatZilla's preferences are too extensive to fit into this preference window so, instead, you can open its preferences window from here.">
 <!ENTITY pref-irc.open.label     "Open ChatZilla's Preferences">
 <!ENTITY pref-irc.open.accesskey "O">
+<!ENTITY startup.chat.label "ChatZilla">
+<!ENTITY startup.chat.accesskey "Z">