Index: third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp |
diff --git a/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp b/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp |
index 3524c407cc5d0f1c0cea4431f1d55cd22878357e..ac239b964242de265c384677dcc3881bde6568a7 100644 |
--- a/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp |
+++ b/third_party/WebKit/Source/platform/graphics/CompositingReasons.cpp |
@@ -159,6 +159,9 @@ const CompositingReasonStringMap kCompositingReasonStringMap[] = { |
{ CompositingReasonLayerForScrollingBlockSelection, |
"layerForScrollingBlockSelection", |
"Secondary layer, to house block selection gaps for composited scrolling with no scrolling contents" }, |
+ { CompositingReasonLayerForAncestorClippingMask, |
+ "layerForAncestorClippingMask", |
+ "Secondary layer, applies a clipping mask due to a sibling in the compositing tree" }, |
{ CompositingReasonInlineTransform, |
"inlineTransform", |
"Has an inline transform, which causes subsequent layers to assume overlap" }, |