Bug 824162 dont mess with focus until after the event target handles it, r=gavin

browser/base/content/socialchat.xml

@@ -81,7 +81,7 @@
     </implementation>
 
     <handlers>
-      <handler event="focus" phase="capturing">
+      <handler event="focus">
         this.parentNode.selectedChat = this;
       </handler>
       <handler event="DOMTitleChanged"><![CDATA[