Moving changes, please ignore

core/src/main/scala/org/apache/spark/storage/memory/MemoryStore.scala

@@ -91,7 +91,7 @@ private[spark] class MemoryStore(
 
   private class OurBlockIdAndSizeType(
       private var blockId: BlockId,
-      private var size: Long) extends Ordering[OurBlockIdAndSizeType] {
+      private var size: Long) extends Ordered[OurBlockIdAndSizeType] {
     def compare(other: OurBlockIdAndSizeType): Int = this.size.compare(other.size)
   }