Remove DisplayListTraversal

It's no longer necessary because we always just walk through the
display list one item at a time.

1 files changed, 2 insertions, 4 deletions

diff --git a/components/layout/webrender_helpers.rs b/components/layout/webrender_helpers.rs
index 4477294fced..62c0792301a 100644
--- a/components/layout/webrender_helpers.rs
+++ b/components/layout/webrender_helpers.rs
@@ -10,8 +10,7 @@
 use app_units::Au;
 use euclid::{Point2D, Vector2D, Rect, SideOffsets2D, Size2D};
 use gfx::display_list::{BorderDetails, BorderRadii, BoxShadowClipMode, ClipScrollNodeType};
-use gfx::display_list::{ClippingRegion, DisplayItem, DisplayList, DisplayListTraversal};
-use gfx::display_list::StackingContextType;
+use gfx::display_list::{ClippingRegion, DisplayItem, DisplayList, StackingContextType};
 use msg::constellation_msg::PipelineId;
 use style::computed_values::{image_rendering, mix_blend_mode, transform_style};
 use style::values::computed::{BorderStyle, Filter};
@@ -222,7 +221,6 @@ impl ToTransformStyle for transform_style::T {
 
 impl WebRenderDisplayListConverter for DisplayList {
     fn convert_to_webrender(&self, pipeline_id: PipelineId) -> DisplayListBuilder {
-        let traversal = DisplayListTraversal::new(self);
         let mut builder = DisplayListBuilder::with_capacity(pipeline_id.to_webrender(),
                                                             self.bounds().size.to_sizef(),
                                                             1024 * 1024); // 1 MB of space
@@ -230,7 +228,7 @@ impl WebRenderDisplayListConverter for DisplayList {
         let mut current_clip_and_scroll_info = pipeline_id.root_clip_and_scroll_info();
         builder.push_clip_and_scroll_info(current_clip_and_scroll_info);
 
-        for item in traversal {
+        for item in &self.list {
             item.convert_to_webrender(&mut builder, &mut current_clip_and_scroll_info);
         }
         builder