Use LocalStyleChange for element cursor changes in SVG.

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

Index: third_party/WebKit/Source/core/svg/SVGCursorElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGCursorElement.cpp b/third_party/WebKit/Source/core/svg/SVGCursorElement.cpp
index c2290eb0e242e2ef4b7dd358f911f2cffd2f7700..d95e9b317eebe41fc7ab774931cc6f1d03ca44d2 100644
--- a/third_party/WebKit/Source/core/svg/SVGCursorElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGCursorElement.cpp
@@ -80,7 +80,7 @@ void SVGCursorElement::svgAttributeChanged(const QualifiedName& attrName)
 
         // Any change of a cursor specific attribute triggers this recalc.
         for (const auto& client : m_clients)
-            client->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::SVGCursor));
+            client->setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::SVGCursor));
 
         return;
     }