Change the type of a SVG <use> element's shadow tree from "user agent" to "closed"

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index 1145a798db6cb6127709bcbe3124aac39ce568a2..e2a0d5bf3bbb4c2d36691f17314061db78f4c1e4 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -726,7 +726,7 @@ WebInputEventResult EventHandler::handleMousePressEvent(
       mouseEvent.button == WebPointerProperties::Button::Left) {
     DCHECK_EQ(WebInputEvent::MouseDown, mouseEvent.type());
     HitTestResult result = mev.hitTestResult();
-    result.setToShadowHostIfInUserAgentShadowRoot();
+    result.setToShadowHostIfInRestrictedShadowRoot();
     m_frame->chromeClient().onMouseDown(result.innerNode());
   }
 
@@ -756,7 +756,7 @@ WebInputEventResult EventHandler::handleMouseMoveEvent(
   if (FrameView* frameView = m_frame->view())
     frameView->mouseMovedInContentArea();
 
-  hoveredNode.setToShadowHostIfInUserAgentShadowRoot();
+  hoveredNode.setToShadowHostIfInRestrictedShadowRoot();
   page->chromeClient().mouseDidMoveOverElement(*m_frame, hoveredNode);
 
   return result;