[LayoutNG] Paint inlines from the fragment tree

third_party/WebKit/Source/core/paint/BoxPainterBase.h

Index: third_party/WebKit/Source/core/paint/BoxPainterBase.h
diff --git a/third_party/WebKit/Source/core/paint/BoxPainterBase.h b/third_party/WebKit/Source/core/paint/BoxPainterBase.h
index 0f500530bc7f7aec4bd069ccf73e27f62b13bbfc..22e49fc5b03c91664c0c73c952c7bc50bd10a3d5 100644
--- a/third_party/WebKit/Source/core/paint/BoxPainterBase.h
+++ b/third_party/WebKit/Source/core/paint/BoxPainterBase.h
@@ -16,6 +16,7 @@ class Document;
 class FloatRoundedRect;
 class LayoutPoint;
 class LayoutRect;
+class FillLayer;
 struct PaintInfo;
 
 // Base class for box painting. Has no dependencies on the layout tree and thus
@@ -56,6 +57,17 @@ class BoxPainterBase {
 
   LayoutRect BoundsForDrawingRecorder(const PaintInfo&,
                                       const LayoutPoint& adjusted_paint_offset);
+
+  typedef Vector<const FillLayer*, 8> FillLayerOcclusionOutputList;
+  // Returns true if the result fill layers have non-associative blending or
+  // compositing mode.  (i.e. The rendering will be different without creating
+  // isolation group by context.saveLayer().) Note that the output list will be
+  // in top-bottom order.
+  bool CalculateFillLayerOcclusionCulling(
+      FillLayerOcclusionOutputList& reversed_paint_list,
+      const FillLayer&,
+      const Document&,
+      const ComputedStyle&);
 };
 
 }  // namespace blink