CSS: will-change offset-path establishes a stacking context

third_party/WebKit/Source/core/style/ComputedStyle.cpp

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index deca619c92323d67c5a079fac53e1d3860d8f849..e66028ca7f93fd1db30293f81c7845eccb4d473e 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -1256,6 +1256,8 @@ bool ComputedStyle::hasWillChangeTransformHint() const {
       case CSSPropertyTranslate:
       case CSSPropertyScale:
       case CSSPropertyRotate:
+      case CSSPropertyOffsetPath:
+      case CSSPropertyOffsetPosition:
         return true;
       default:
         break;