cc: Move tiling raster tile iterator to be a tiling set queue class.

cc/resources/tiling_set_eviction_queue.cc

Index: cc/resources/tiling_set_eviction_queue.cc
diff --git a/cc/resources/tiling_set_eviction_queue.cc b/cc/resources/tiling_set_eviction_queue.cc
index f5b3b2c43b20ccb889d3ff81ff58e0971437ee4c..3acb3badbe1f0d8caaf967d6acc6695f66ab6c4a 100644
--- a/cc/resources/tiling_set_eviction_queue.cc
+++ b/cc/resources/tiling_set_eviction_queue.cc
@@ -94,7 +94,7 @@ bool TilingSetEvictionQueue::AdvanceToNextEvictionTile() {
         continue;
       if (skip_all_shared_tiles_ && tile->is_shared())
         continue;
-      current_tiling_->UpdateTileAndTwinPriority(tile);
+      current_tiling_->UpdateTilePriority(tile);
       if (skip_shared_out_of_order_tiles_ && IsSharedOutOfOrderTile(tile))
         continue;
       if (tile->required_for_activation() != required_for_activation)
@@ -146,7 +146,7 @@ bool TilingSetEvictionQueue::AdvanceToNextEvictionTile() {
         continue;
       }
     }
-    current_tiling_->UpdateTileAndTwinPriority(tile);
+    current_tiling_->UpdateTilePriority(tile);
     if (skip_shared_out_of_order_tiles_ && IsSharedOutOfOrderTile(tile))
       continue;
     if (tile->required_for_activation() != required_for_activation)
@@ -164,7 +164,7 @@ bool TilingSetEvictionQueue::AdvanceToNextEvictionTile() {
     DCHECK(tile);
     if (!tile->HasResource())
       continue;
-    current_tiling_->UpdateTileAndTwinPriority(tile);
+    current_tiling_->UpdateTilePriority(tile);
     if (skip_shared_out_of_order_tiles_ && IsSharedOutOfOrderTile(tile))
       continue;
     if (tile->required_for_activation() != required_for_activation)