Make BaseFlow::stacking_relative_position a vector.

1 files changed, 2 insertions, 3 deletions

diff --git a/components/layout/multicol.rs b/components/layout/multicol.rs
index b43a6eb17ff..afe45c2aea7 100644
--- a/components/layout/multicol.rs
+++ b/components/layout/multicol.rs
@@ -11,8 +11,7 @@ use app_units::Au;
 use block::BlockFlow;
 use context::LayoutContext;
 use display_list_builder::DisplayListBuildState;
-use euclid::Point2D;
-use euclid::Size2D;
+use euclid::{Point2D, Vector2D};
 use floats::FloatKind;
 use flow::{Flow, FlowClass, OpaqueFlow, mut_base, FragmentationContext};
 use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
@@ -173,7 +172,7 @@ impl Flow for MulticolFlow {
         let pitch = pitch.to_physical(self.block_flow.base.writing_mode);
         for (i, child) in self.block_flow.base.children.iter_mut().enumerate() {
             let point = &mut mut_base(child).stacking_relative_position;
-            *point = *point + Size2D::new(pitch.width * i as i32, pitch.height * i as i32);
+            *point = *point + Vector2D::new(pitch.width * i as i32, pitch.height * i as i32);
         }
     }