SVG object with same idrefs get conflicted even they are under different shadow root

third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp b/third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp
index 1e790eb56971fe51959c182e1a845a5b4d39f45c..82efc36e30c4a41420630072c327150348d228b1 100644
--- a/third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGTextPathElement.cpp
@@ -124,11 +124,11 @@ void SVGTextPathElement::buildPendingResource()
     Element* target = SVGURIReference::targetElementFromIRIString(hrefString(), treeScope(), &id);
     if (!target) {
         // Do not register as pending if we are already pending this resource.
-        if (document().accessSVGExtensions().isElementPendingResource(this, id))
+        if (treeScope().accessSVGTreeScopedResources().isElementPendingResource(this, id))
             return;
 
         if (!id.isEmpty()) {
-            document().accessSVGExtensions().addPendingResource(id, this);
+            treeScope().accessSVGTreeScopedResources().addPendingResource(id, this);
             ASSERT(hasPendingResources());
         }
     } else if (isSVGPathElement(*target)) {