c170121781b81e765a770bc71fef19b07c199a7a
angie
  Fri Feb 1 10:46:36 2013 -0800
Code Review #10076 - Undoing much of e92495a7 because Tim made me lookagain at why I was getting the composite back from tdbForTrack.

diff --git src/hg/lib/hdb.c src/hg/lib/hdb.c
index 096cd0d..fc6fe7d 100644
--- src/hg/lib/hdb.c
+++ src/hg/lib/hdb.c
@@ -3649,37 +3649,30 @@
 
 /* Look "to the sky" in parents of root generation as well. */
 if (level == 0)
     {
     for (tdb = tdbList; tdb != NULL; tdb = tdb->next)
 	{
 	struct trackDb *p = tdb->parent;
 	if (p != NULL && sameString(track, p->track))
 	    return p;
 	}
     }
 
 return NULL;
 }
 
-struct trackDb *findSubtrackByName(struct trackDb *ancestorTdb, char *track)
-/* Given a tdb for a composite, return the subtrack tdb for track or NULL. */
-{
-// start at level 1 instead of 0, to avoid getting ancestor of track back again.
-return rFindTrack(1, ancestorTdb, track);
-}
-
 #ifdef DEBUG
 static void dumpFlagStatus(struct trackDb *tdbList, char *tableName, char *label)
 /* Look for tdbList for track matching tableName.  Print out info on it starting with label. */
 {
 struct trackDb *tdb = rFindTrack(0, tdbList, tableName);
 if (tdb == NULL)
      printf("%s: nil<BR>\n", label);
 else
      printf("%s: treeNodeType %d, composite? %d, supertrack ? %d<BR>\n", label, tdb->treeNodeType, COMPOSITE_NODE(tdb->treeNodeType), SUPERTRACK_NODE(tdb->treeNodeType));
 }
 #endif /* DEBUG */
 
 static void addChildRefsToParents(struct trackDb *tdbList)
 /* Go through tdbList and set up the ->children field in parents with references
  * to their children. */