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-rw-r--r--layout/generic/nsViewportFrame.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/layout/generic/nsViewportFrame.cpp b/layout/generic/nsViewportFrame.cpp
index 20378e766..a37d2a5a7 100644
--- a/layout/generic/nsViewportFrame.cpp
+++ b/layout/generic/nsViewportFrame.cpp
@@ -49,7 +49,6 @@ ViewportFrame::Init(nsIContent* aContent,
void
ViewportFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
- const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
PROFILER_LABEL("ViewportFrame", "BuildDisplayList",
@@ -59,7 +58,7 @@ ViewportFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
// make the kid's BorderBackground our own. This ensures that the canvas
// frame's background becomes our own background and therefore appears
// below negative z-index elements.
- BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+ BuildDisplayListForChild(aBuilder, kid, aLists);
}
nsDisplayList topLayerList;
@@ -110,8 +109,12 @@ BuildDisplayListForTopLayerFrame(nsDisplayListBuilder* aBuilder,
clipState.SetScrollClipForContainingBlockDescendants(
aBuilder, savedOutOfFlowData->mContainingBlockScrollClip);
}
+ nsDisplayListBuilder::AutoBuildingDisplayList
+ buildingForChild(aBuilder, aFrame, dirty,
+ aBuilder->IsAtRootOfPseudoStackingContext());
+
nsDisplayList list;
- aFrame->BuildDisplayListForStackingContext(aBuilder, dirty, &list);
+ aFrame->BuildDisplayListForStackingContext(aBuilder, &list);
aList->AppendToTop(&list);
}