DevTools: make web component anchor handling go the generic route.

Source/devtools/front_end/elements/ElementsTreeOutline.js

Index: Source/devtools/front_end/elements/ElementsTreeOutline.js
diff --git a/Source/devtools/front_end/elements/ElementsTreeOutline.js b/Source/devtools/front_end/elements/ElementsTreeOutline.js
index 556c9dee0e68f1fa25462e9b71bce4f2b25edd4c..274eeb45909cd622ac64b09bb8eac5638191b85f 100644
--- a/Source/devtools/front_end/elements/ElementsTreeOutline.js
+++ b/Source/devtools/front_end/elements/ElementsTreeOutline.js
@@ -615,7 +615,7 @@ WebInspector.ElementsTreeOutline.prototype = {
 
     _onmouseout: function(event)
     {
-        var nodeUnderMouse = event.elementFromPoint();
+        var nodeUnderMouse = event.deepElementFromPoint();
         if (nodeUnderMouse && nodeUnderMouse.isDescendant(this._element))
             return;
 
@@ -2297,7 +2297,9 @@ WebInspector.ElementsTreeElement.prototype = {
             value = value.replace(closingPunctuationRegex, "$&\u200B");
             if (value.startsWith("data:"))
                 value = value.trimMiddle(60);
-            return linkify(rewrittenHref, value, "", node.nodeName().toLowerCase() === "a");
+            var anchor = linkify(rewrittenHref, value, "", node.nodeName().toLowerCase() === "a");
+            anchor.preventFollow = true;
+            return anchor;
         }
 
         if (linkify && (name === "src" || name === "href")) {