modified to use the new convenience method

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@24408 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/scm/RepositoryBrowsers.java

@@ -57,7 +57,7 @@ public class RepositoryBrowsers {
     public static List<Descriptor<RepositoryBrowser<?>>> filter(Class<? extends RepositoryBrowser> t) {
         List<Descriptor<RepositoryBrowser<?>>> r = new ArrayList<Descriptor<RepositoryBrowser<?>>>();
         for (Descriptor<RepositoryBrowser<?>> d : RepositoryBrowser.all())
-            if(t.isAssignableFrom(d.clazz))
+            if(d.isSubTypeOf(t))
                 r.add(d);
         return r;
     }

core/src/main/java/hudson/tasks/Publisher.java

@@ -151,8 +151,8 @@ public abstract class Publisher extends BuildStepCompatibilityLayer implements B
          * This is used as a sort key.
          */
         private int classify(Descriptor<Publisher> d) {
-            if(Recorder.class.isAssignableFrom(d.clazz))    return 0;
-            if(Notifier.class.isAssignableFrom(d.clazz))    return 2;
+            if(d.isSubTypeOf(Recorder.class))    return 0;
+            if(d.isSubTypeOf(Notifier.class))    return 2;
 
             // for compatibility, if the descriptor is manually registered in a specific way, detect that.
             Class<? extends Publisher> kind = PublisherList.KIND.get(d);