Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp |
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp |
index 5095e4701536c26aa63e463e489a22e4ab56ee68..87bf4ec0b3888d1a889d1904b4843c73008ea1de 100644 |
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp |
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp |
@@ -2277,6 +2277,13 @@ bool LayoutBox::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const { |
return false; |
} |
+ // If the box paints into its own backing, we can assume that it's painting |
+ // may have some effect. For example, honoring the border-radius clip on |
+ // a composited child paints into a mask for an otherwise non-painting |
+ // element, because children of that element will require the mask. |
+ if (hasLayer() && layer()->compositingState() == PaintsIntoOwnBacking) |
Stephen Chennney
2017/01/04 19:22:46
This is to avoid the assert that verifies an empty
|
+ return false; |
+ |
return true; |
} |