Handle layer clients in LayoutSVGResourceContainer::registerResource

Source/core/layout/svg/SVGResourcesCache.cpp

Index: Source/core/layout/svg/SVGResourcesCache.cpp
diff --git a/Source/core/layout/svg/SVGResourcesCache.cpp b/Source/core/layout/svg/SVGResourcesCache.cpp
index d58b141e3e78a65a0e2c7808e9ab13784c6b63c9..a1079ffc45a392a357146c8e1c76c25c551974aa 100644
--- a/Source/core/layout/svg/SVGResourcesCache.cpp
+++ b/Source/core/layout/svg/SVGResourcesCache.cpp
@@ -116,7 +116,6 @@ void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, StyleDiff
 {
     ASSERT(layoutObject);
     ASSERT(layoutObject->node());
-    ASSERT(layoutObject->node()->isSVGElement());
 
     if (!diff.hasDifference() || !layoutObject->parent())
         return;
@@ -125,6 +124,10 @@ void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject, StyleDiff
     if (layoutObject->isSVGResourceFilterPrimitive() && !diff.needsLayout())
         return;
 
+    // If it's not an SVGElement, we can leave early because none of the below will have any effect.
+    if (!layoutObject->node()->isSVGElement())
+        return;
+
     // Dynamic changes of CSS properties like 'clip-path' may require us to recompute the associated resources for a layoutObject.
     // FIXME: Avoid passing in a useless StyleDifference, but instead compare oldStyle/newStyle to see which resources changed
     // to be able to selectively rebuild individual resources, instead of all of them.