[SPInvalidation] Fix fixed-position printing

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

Index: third_party/WebKit/Source/core/paint/PaintLayerPainter.h
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerPainter.h b/third_party/WebKit/Source/core/paint/PaintLayerPainter.h
index 3e9f3494a226e09c42c396330d45fc9bcf672d08..1539b6761298883d6f29e6e8de85167fffb9cf34 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerPainter.h
+++ b/third_party/WebKit/Source/core/paint/PaintLayerPainter.h
@@ -56,9 +56,10 @@ class CORE_EXPORT PaintLayerPainter {
  private:
   enum ClipState { HasNotClipped, HasClipped };
 
-  bool collectPaintFragmentsForPaginatedFixedPosition(
-      const PaintLayerPaintingInfo&,
-      PaintLayerFragments&);
+  inline bool isFixedPositionObjectInPagedMedia();
+  void repeatFixedPositionObjectInPages(const PaintLayerFragment&,

[chrishtr, 2017/01/03 20:13:38]

Add a brief comment explaining the parameters and what happens.

[Xianzhu, 2017/01/03 20:19:20]

Done.

+                                        const PaintLayerPaintingInfo&,
+                                        PaintLayerFragments&);
 
   PaintResult paintLayerContentsCompositingAllPhases(
       GraphicsContext&,