Renamed MemberComparator and converted it to singleton.

idea/src/org/jetbrains/jet/plugin/libraries/DecompiledDataFactory.java

@@ -125,7 +125,7 @@ public class DecompiledDataFactory {
 
     private static List<DeclarationDescriptor> sortDeclarations(Collection<DeclarationDescriptor> input) {
         ArrayList<DeclarationDescriptor> r = new ArrayList<DeclarationDescriptor>(input);
-        Collections.sort(r, new DeclarationDescriptorComparator());
+        Collections.sort(r, MemberComparator.INSTANCE);
         return r;
     }
 

idea/src/org/jetbrains/jet/plugin/libraries/MemberComparator.java

@@ -25,7 +25,12 @@ import java.util.Comparator;
 * @author Evgeny Gerashchenko
 * @since 4/8/12
 */
-class DeclarationDescriptorComparator implements Comparator<DeclarationDescriptor> {
+public class MemberComparator implements Comparator<DeclarationDescriptor> {
+    public static final MemberComparator INSTANCE = new MemberComparator();
+
+    private MemberComparator() {
+    }
+
     private static int getDeclarationPriority(DeclarationDescriptor descriptor) {
         if (descriptor instanceof ClassDescriptor) {
             return 4;