Bug 1126230 part 7 - Add static method nsDisplayListBuilder::GetOutOfFlowData(). r=roc

--HG--
extra : source : 995811d926293af0bddc1f4738c524b2e9745566

layout/base/nsDisplayList.h

@@ -864,6 +864,13 @@ public:
 
   NS_DECLARE_FRAME_PROPERTY(OutOfFlowDisplayDataProperty,
                             DeleteValue<OutOfFlowDisplayData>)
+
+  static OutOfFlowDisplayData* GetOutOfFlowData(nsIFrame* aFrame)
+  {
+    return static_cast<OutOfFlowDisplayData*>(
+      aFrame->Properties().Get(OutOfFlowDisplayDataProperty()));
+  }
+
   NS_DECLARE_FRAME_PROPERTY(Preserve3DDirtyRectProperty, DeleteValue<nsRect>)
 
   nsPresContext* CurrentPresContext() {

layout/generic/nsFrame.cpp

@@ -2333,8 +2333,7 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
     // Recheck NS_FRAME_TOO_DEEP_IN_FRAME_TREE
     if (child->GetStateBits() & NS_FRAME_TOO_DEEP_IN_FRAME_TREE)
       return;
-    savedOutOfFlowData = static_cast<nsDisplayListBuilder::OutOfFlowDisplayData*>
-      (child->Properties().Get(nsDisplayListBuilder::OutOfFlowDisplayDataProperty()));
+    savedOutOfFlowData = nsDisplayListBuilder::GetOutOfFlowData(child);
     if (savedOutOfFlowData) {
       dirty = savedOutOfFlowData->mDirtyRect;
     } else {