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

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 488 matching lines @@
   // If the hit node is a plugin but a scrollbar is over it don't start mouse
   // capture because it will interfere with the scrollbar receiving events.
   IntPoint point(event.x, event.y);
   if (event.button == WebMouseEvent::Button::Left &&
       m_page->mainFrame()->isLocalFrame()) {
     point =
         m_page->deprecatedLocalMainFrame()->view()->rootFrameToContents(point);
     HitTestResult result(
         m_page->deprecatedLocalMainFrame()->eventHandler().hitTestResultAtPoint(
             point));
-    result.setToShadowHostIfInUserAgentShadowRoot();
+    result.setToShadowHostIfInRestrictedShadowRoot();
     Node* hitNode = result.innerNodeOrImageMapImage();
 
     if (!result.scrollbar() && hitNode && hitNode->layoutObject() &&
         hitNode->layoutObject()->isEmbeddedObject()) {
       m_mouseCaptureNode = hitNode;
       TRACE_EVENT_ASYNC_BEGIN0("input", "capturing mouse", this);
     }
   }
 
   PageWidgetEventHandler::handleMouseDown(mainFrame, event);
@@ skipping 737 matching lines @@
 
   // Use the point-based hit test to find the node.
   IntPoint point = mainFrameImpl()->frameView()->rootFrameToContents(
       IntPoint(pointInRootFrame.x, pointInRootFrame.y));
   HitTestRequest::HitTestRequestType hitType =
       HitTestRequest::ReadOnly | HitTestRequest::Active |
       (ignoreClipping ? HitTestRequest::IgnoreClipping : 0);
   HitTestResult result =
       mainFrameImpl()->frame()->eventHandler().hitTestResultAtPoint(point,
                                                                     hitType);
-  result.setToShadowHostIfInUserAgentShadowRoot();
+  result.setToShadowHostIfInRestrictedShadowRoot();
 
   Node* node = result.innerNodeOrImageMapImage();
   if (!node)
     return WebRect();
 
   // Find the block type node based on the hit node.
   // FIXME: This wants to walk flat tree with
   // LayoutTreeBuilderTraversal::parent().
   while (node && (!node->layoutObject() || node->layoutObject()->isInline()))
     node = LayoutTreeBuilderTraversal::parent(*node);
@@ skipping 2491 matching lines @@
 HitTestResult WebViewImpl::hitTestResultForRootFramePos(
     const IntPoint& posInRootFrame) {
   if (!m_page->mainFrame()->isLocalFrame())
     return HitTestResult();
   IntPoint docPoint(
       m_page->deprecatedLocalMainFrame()->view()->rootFrameToContents(
           posInRootFrame));
   HitTestResult result =
       m_page->deprecatedLocalMainFrame()->eventHandler().hitTestResultAtPoint(
           docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active);
-  result.setToShadowHostIfInUserAgentShadowRoot();
+  result.setToShadowHostIfInRestrictedShadowRoot();
   return result;
 }
 
 WebHitTestResult WebViewImpl::hitTestResultForTap(
     const WebPoint& tapPointWindowPos,
     const WebSize& tapArea) {
   if (!m_page->mainFrame()->isLocalFrame())
     return HitTestResult();
 
   WebGestureEvent tapEvent(WebInputEvent::GestureTap,
@@ skipping 10 matching lines @@
   WebGestureEvent scaledEvent =
       TransformWebGestureEvent(mainFrameImpl()->frameView(), tapEvent);
 
   HitTestResult result =
       m_page->deprecatedLocalMainFrame()
           ->eventHandler()
           .hitTestResultForGestureEvent(
               scaledEvent, HitTestRequest::ReadOnly | HitTestRequest::Active)
           .hitTestResult();
 
-  result.setToShadowHostIfInUserAgentShadowRoot();
+  result.setToShadowHostIfInRestrictedShadowRoot();
   return result;
 }
 
 void WebViewImpl::setTabsToLinks(bool enable) {
   m_tabsToLinks = enable;
 }
 
 bool WebViewImpl::tabsToLinks() const {
   return m_tabsToLinks;
 }
@@ skipping 236 matching lines @@
 }
 
 bool WebViewImpl::detectContentOnTouch(
     const GestureEventWithHitTestResults& targetedEvent) {
   if (!m_page->mainFrame()->isLocalFrame())
     return false;
 
   // Need a local copy of the hit test as
   // setToShadowHostIfInUserAgentShadowRoot() will modify it.
   HitTestResult touchHit = targetedEvent.hitTestResult();
-  touchHit.setToShadowHostIfInUserAgentShadowRoot();
+  touchHit.setToShadowHostIfInRestrictedShadowRoot();
 
   if (touchHit.isContentEditable())
     return false;
 
   Node* node = touchHit.innerNode();
   if (!node || !node->isTextNode())
     return false;
 
   // Ignore when tapping on links or nodes listening to click events, unless
   // the click event is on the body element, in which case it's unlikely that
@@ skipping 101 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink