cc: Fix tile priority inversion in picture layer tiling.

cc/tiles/picture_layer_tiling.h

Index: cc/tiles/picture_layer_tiling.h
diff --git a/cc/tiles/picture_layer_tiling.h b/cc/tiles/picture_layer_tiling.h
index 962ae8d776bf636dbc55c082017b81cbf095873a..d3295da51c84fd9ced0d3a52b4713ddf83bd8bbb 100644
--- a/cc/tiles/picture_layer_tiling.h
+++ b/cc/tiles/picture_layer_tiling.h
@@ -157,8 +157,11 @@ class CC_EXPORT PictureLayerTiling {
   }
 
   void UpdateAllRequiredStateForTesting() {
-    for (const auto& key_tile_pair : tiles_)
-      UpdateRequiredStatesOnTile(key_tile_pair.second.get());
+    for (const auto& key_tile_pair : tiles_) {
+      Tile* tile = key_tile_pair.second.get();
+      tile->set_required_for_activation(IsTileRequiredForActivation(tile));
+      tile->set_required_for_draw(IsTileRequiredForDraw(tile));
+    }
   }
   std::map<const Tile*, PrioritizedTile>
   UpdateAndGetAllPrioritizedTilesForTesting() const;
@@ -288,7 +291,6 @@ class CC_EXPORT PictureLayerTiling {
   Tile::CreateInfo CreateInfoForTile(int i, int j) const;
   bool ShouldCreateTileAt(const Tile::CreateInfo& info) const;
   bool IsTileOccluded(const Tile* tile) const;
-  void UpdateRequiredStatesOnTile(Tile* tile) const;
   PrioritizedTile MakePrioritizedTile(
       Tile* tile,
       PriorityRectType priority_rect_type) const;