CSS Motion Path: offset-position,offset-path establish stacking context

third_party/WebKit/Source/core/animation/KeyframeEffect.cpp

Index: third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
diff --git a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
index a7ed19229003fcc0b8c818c9f086410859e760aa..e57963ee4f435179c7dbc1bacf18f7b9abb8007c 100644
--- a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
+++ b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
@@ -162,7 +162,7 @@ bool KeyframeEffect::hasIncompatibleStyle()
         || animation()->affects(*m_target, CSSPropertyTranslate);
 
     if (animation()->hasActiveAnimationsOnCompositor()) {
-        if (m_target->computedStyle()->hasOffsetPath() && affectsTransform)
+        if (m_target->computedStyle()->hasOffset() && affectsTransform)
             return true;
         return hasMultipleTransformProperties();
     }
@@ -281,7 +281,7 @@ bool KeyframeEffect::isCandidateForAnimationOnCompositor(double animationPlaybac
     // in computed style because they need to be explicitly ordered
     if (!model()
         || !m_target
-        || (m_target->computedStyle() && m_target->computedStyle()->hasOffsetPath())
+        || (m_target->computedStyle() && m_target->computedStyle()->hasOffset())
         || hasMultipleTransformProperties())
         return false;