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

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1909 matching lines @@
                                                                  ownerDocument);
 }
 
 HitTestResult WebLocalFrameImpl::hitTestResultForVisualViewportPos(
     const IntPoint& posInViewport) {
   IntPoint rootFramePoint(
       frame()->page()->visualViewport().viewportToRootFrame(posInViewport));
   IntPoint docPoint(frame()->view()->rootFrameToContents(rootFramePoint));
   HitTestResult result = frame()->eventHandler().hitTestResultAtPoint(
       docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active);
-  result.setToShadowHostIfInUserAgentShadowRoot();
+  result.setToShadowHostIfInRestrictedShadowRoot();
   return result;
 }
 
 static void ensureFrameLoaderHasCommitted(FrameLoader& frameLoader) {
   // Internally, Blink uses CommittedMultipleRealLoads to track whether the
   // next commit should create a new history item or not. Ensure we have
   // reached that state.
   if (frameLoader.stateMachine()->committedMultipleRealLoads())
     return;
   frameLoader.stateMachine()->advanceTo(
@@ skipping 522 matching lines @@
         createMarkup(startPosition, endPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   } else {
     clipHtml =
         createMarkup(endPosition, startPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   }
 }
 
 }  // namespace blink