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-rw-r--r--third_party/WebKit/Source/core/paint/PaintLayer.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
index 2a34031c..4ae5132 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
@@ -2452,6 +2452,14 @@ void PaintLayer::updateSelfPaintingLayer()
parent()->dirtyAncestorChainHasSelfPaintingLayerDescendantStatus();
}
+PaintLayer* PaintLayer::enclosingSelfPaintingLayer()
+{
+ PaintLayer* layer = this;
+ while (layer && !layer->isSelfPaintingLayer())
+ layer = layer->parent();
+ return layer;
+}
+
bool PaintLayer::hasNonEmptyChildLayoutObjects() const
{
// Some HTML can cause whitespace text nodes to have layoutObjects, like: