Move InvalidationGuard/InstanceUpdateBlocker out of SVGElementInstance

Source/core/svg/SVGGElement.cpp

Index: Source/core/svg/SVGGElement.cpp
diff --git a/Source/core/svg/SVGGElement.cpp b/Source/core/svg/SVGGElement.cpp
index ed9496e5029e940b8eb654cbfed05167e546b560..5280d986d109fe85360197f6707755ae91ea29b9 100644
--- a/Source/core/svg/SVGGElement.cpp
+++ b/Source/core/svg/SVGGElement.cpp
@@ -64,7 +64,7 @@ void SVGGElement::svgAttributeChanged(const QualifiedName& attrName)
         return;
     }
 
-    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+    SVGElement::InvalidationGuard invalidationGuard(this);
 
     if (RenderObject* renderer = this->renderer())
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);