cc: Heapify pointers instead of objects in eviction tile priority queue.

cc/resources/raster_tile_priority_queue.h

Index: cc/resources/raster_tile_priority_queue.h
diff --git a/cc/resources/raster_tile_priority_queue.h b/cc/resources/raster_tile_priority_queue.h
index 0e2bcf65b0276aa90b2e2754625623c1b3d4254c..bbfaafddef383a9e9f1e95a8f8815e8c26a8dfbd 100644
--- a/cc/resources/raster_tile_priority_queue.h
+++ b/cc/resources/raster_tile_priority_queue.h
@@ -50,7 +50,7 @@ class CC_EXPORT RasterTilePriorityQueue {
   // TODO(vmpstr): This is potentially unnecessary if it becomes the case that
   // PairedPictureLayerQueue is fast enough to copy. In that case, we can use
   // objects directly (ie std::vector<PairedPictureLayerQueue>.
-  ScopedPtrVector<PairedPictureLayerQueue> paired_queues_heap_;
+  ScopedPtrVector<PairedPictureLayerQueue> paired_queues_;
   TreePriority tree_priority_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterTilePriorityQueue);