bug #251910, style bookmark and history sidebar items as links

browser/components/bookmarks/content/bookmarksTree.xml

@@ -906,7 +906,8 @@
               <treeitem uri="rdf:*">
                 <treerow properties="rdf:http://www.w3.org/1999/02/22-rdf-syntax-ns#type rdf:http://home.netscape.com/NC-rdf#loading rdf:http://home.netscape.com/WEB-rdf#status">
                   <treecell src="rdf:http://home.netscape.com/NC-rdf#Icon"
-                            label="rdf:http://home.netscape.com/NC-rdf#Name"/>
+                            label="rdf:http://home.netscape.com/NC-rdf#Name"
+                            properties="linkTree"/>
                 </treerow>
               </treeitem>
             </treechildren>

browser/components/history/content/history-panel.xul

@@ -107,7 +107,8 @@
               <treecell label="rdf:http://home.netscape.com/NC-rdf#Name"
                         sortName="rdf:http://home.netscape.com/NC-rdf#Name?sort=true"
                         visitcount="rdf:http://home.netscape.com/NC-rdf#VisitCount"
-                        date="rdf:http://home.netscape.com/NC-rdf#Date"/>
+                        date="rdf:http://home.netscape.com/NC-rdf#Date"
+                        properties="linkTree"/>
             </treerow>
           </treeitem>
         </treechildren>

toolkit/themes/winstripe/global/tree.css

@@ -79,6 +79,10 @@ treechildren::-moz-tree-cell-text(selected, focus) {
   color: HighlightText;
 }
 
+treechildren::-moz-tree-cell-text(leaf, linkTree) {
+  text-decoration: underline;
+  color: blue;
+}
 
 /* ::::: lines connecting cells ::::: */