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

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/input/GestureManager.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/DocumentUserGestureToken.h"
 #include "core/editing/SelectionController.h"
 #include "core/events/GestureEvent.h"
@@ skipping 212 matching lines @@
     }
     if (mouseDownEventResult == WebInputEventResult::NotHandled) {
       mouseDownEventResult = m_mouseEventManager->handleMousePressEvent(
           MouseEventWithHitTestResults(fakeMouseDown, currentHitTest));
     }
   }
 
   if (currentHitTest.innerNode()) {
     DCHECK(gestureEvent.type() == WebInputEvent::GestureTap);
     HitTestResult result = currentHitTest;
-    result.setToShadowHostIfInUserAgentShadowRoot();
+    result.setToShadowHostIfInRestrictedShadowRoot();
     m_frame->chromeClient().onMouseDown(result.innerNode());
   }
 
   // FIXME: Use a hit-test cache to avoid unnecessary hit tests.
   // http://crbug.com/398920
   if (currentHitTest.innerNode()) {
     LocalFrame* mainFrame = m_frame->localFrameRoot();
     if (mainFrame && mainFrame->view())
       mainFrame->view()->updateAllLifecyclePhases();
     adjustedPoint = frameView->rootFrameToContents(tappedPosition);
@@ skipping 188 matching lines @@
 
   return &m_frame->page()->frameHost();
 }
 
 WTF::Optional<WTF::TimeTicks> GestureManager::getLastShowPressTimestamp()
     const {
   return m_lastShowPressTimestamp;
 }
 
 }  // namespace blink