Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp |
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp |
index 8c653ecaa707c59f8611cfb8455116e5da659abf..e28420a8a41eb37997bd9bc4c4a7ce3be448a9a8 100644 |
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp |
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp |
@@ -2452,6 +2452,13 @@ bool PaintLayer::shouldBeSelfPaintingLayer() const |
|| needsCompositedScrolling(); |
} |
+bool PaintLayer::shouldPaintBackgroundOntoForeground() const |
+{ |
+ return scrollsOverflow() |
+ && layoutObject()->style()->hasEntirelyLocalBackground() |
+ && !stackingNode()->hasNegativeZOrderList(); |
+} |
+ |
void PaintLayer::updateSelfPaintingLayer() |
{ |
bool isSelfPaintingLayer = shouldBeSelfPaintingLayer(); |