Preparation for combining paths of focus rings and outlines

Source/core/style/ComputedStyle.cpp

Index: Source/core/style/ComputedStyle.cpp
diff --git a/Source/core/style/ComputedStyle.cpp b/Source/core/style/ComputedStyle.cpp
index 8e77ef818173edc0eaee8ada1afc6ed859f4391d..b2027a040885ae41d535611fcd09d22c9fdae3d2 100644
--- a/Source/core/style/ComputedStyle.cpp
+++ b/Source/core/style/ComputedStyle.cpp
@@ -1642,13 +1642,13 @@ void ComputedStyle::resetMotionPath()
     rareNonInheritedData.access()->m_transform.access()->m_motion.m_path = nullptr;
 }
 
-int ComputedStyle::outlineOutset() const
+int ComputedStyle::outlineOutsetExtent() const
 {
     if (!hasOutline())
         return 0;
     if (outlineStyleIsAuto())
         return GraphicsContext::focusRingOutsetExtent(outlineOffset(), outlineWidth());
-    return outlineSize();
+    return std::max(0, outlineWidth() + outlineOffset());
 }
 
 bool ComputedStyle::columnRuleEquivalent(const ComputedStyle* otherStyle) const