Auto merge of #9429 - pcwalton:iframe-scroll-stacking, r=mbrubeck

Dispatch scroll events to layers above others.

Closes #9416.

r? @mbrubeck

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1 files changed, 1 insertions, 1 deletions

diff --git a/components/compositing/compositor_layer.rs b/components/compositing/compositor_layer.rs
index 9c7d567c43a..9e2b47a5c08 100644
--- a/components/compositing/compositor_layer.rs
+++ b/components/compositing/compositor_layer.rs
@@ -317,7 +317,7 @@ impl CompositorLayer for Layer<CompositorData> {
         // Allow children to scroll.
         let scroll_offset = self.extra_data.borrow().scroll_offset;
         let new_cursor = cursor - scroll_offset;
-        for child in &*self.children() {
+        for child in self.children().iter().rev() {
             let child_bounds = child.bounds.borrow();
             if child_bounds.contains(&new_cursor) {
                 let result = child.handle_scroll_event(delta, new_cursor - child_bounds.origin);