Bug 386981 Make chrome tooltips wrap r=Enn

toolkit/content/widgets/popup.xml

@@ -198,7 +198,7 @@
   <binding id="tooltip" extends="chrome://global/content/bindings/popup.xml#popup">
     <content>
       <children>
-        <xul:label class="tooltip-label" xbl:inherits="value=label,crop" crop="right" flex="1"/>
+        <xul:label class="tooltip-label" xbl:inherits="xbl:text=label" flex="1"/>
       </children>
     </content>
     

toolkit/content/xul.css

@@ -337,6 +337,8 @@ tooltip {
 
 tooltip {
   -moz-binding: url("chrome://global/content/bindings/popup.xml#tooltip");
+  -moz-box-orient: vertical;
+  white-space: -moz-pre-wrap;
   margin-top: 21px;
 }