Remove LayoutSVGResourceContainer::m_id

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

Index: third_party/WebKit/Source/core/svg/SVGElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGElement.cpp b/third_party/WebKit/Source/core/svg/SVGElement.cpp
index 67a9d573785143e0e21f2534f050569531a759bc..58a7d3fdf85d115f6b13db43154b8faea23afe88 100644
--- a/third_party/WebKit/Source/core/svg/SVGElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGElement.cpp
@@ -904,8 +904,10 @@ void SVGElement::attributeChanged(const AttributeModificationParams& params) {
     LayoutObject* object = layoutObject();
     // Notify resources about id changes, this is important as we cache
     // resources by id in SVGDocumentExtensions
-    if (object && object->isSVGResourceContainer())
-      toLayoutSVGResourceContainer(object)->idChanged();
+    if (object && object->isSVGResourceContainer()) {
+      toLayoutSVGResourceContainer(object)->idChanged(params.oldValue,
+                                                      params.newValue);
+    }
     if (isConnected())
       buildPendingResourcesIfNeeded();
     invalidateInstances();