Index: cc/layers/picture_layer_impl.cc |
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc |
index df334aa363fcf008e07ce0879822b8fcc66f3265..3b3fa96d0e78786131cf57f47bf113a6e6400933 100644 |
--- a/cc/layers/picture_layer_impl.cc |
+++ b/cc/layers/picture_layer_impl.cc |
@@ -682,7 +682,7 @@ void PictureLayerImpl::MarkVisibleResourcesAsRequired() const { |
rect); |
iter; |
++iter) { |
- if (!iter->tile_version().IsReadyToDraw()) |
+ if (!*iter || !iter->tile_version().IsReadyToDraw()) |
continue; |
missing_region.Subtract(iter.geometry_rect()); |
iter->mark_required_for_activation(); |