Walk render tree instead of render layers for paint.

sky/engine/core/rendering/RootInlineBox.h

Index: sky/engine/core/rendering/RootInlineBox.h
diff --git a/sky/engine/core/rendering/RootInlineBox.h b/sky/engine/core/rendering/RootInlineBox.h
index 5b616f1df90f70ad7c5b9a344672b64083d8361e..e3fdc6d71a043c0f8fe696bc972ad4c93b79ccbc 100644
--- a/sky/engine/core/rendering/RootInlineBox.h
+++ b/sky/engine/core/rendering/RootInlineBox.h
@@ -102,14 +102,14 @@ public:
     using InlineBox::hasEllipsisBox;
     EllipsisBox* ellipsisBox() const;
 
-    void paintEllipsisBox(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) const;
+    void paintEllipsisBox(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom, Vector<RenderBox*>& layers) const;
 
     virtual void clearTruncation() override final;
 
     virtual int baselinePosition(FontBaseline baselineType) const override final;
     virtual LayoutUnit lineHeight() const override final;
 
-    virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
+    virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom, Vector<RenderBox*>& layers) override;
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom) override final;
 
     using InlineBox::hasSelectedChildren;