[DevTools] Turn links into spans to prevent default behavior.

third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeOutline.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 513 matching lines @@
 
     return element;
   }
 
   /**
    * @param {!Element} element
    * @param {!Event} event
    * @return {!Element|!AnchorBox|undefined}
    */
   _getPopoverAnchor(element, event) {
-    var anchor = element.enclosingNodeOrSelfWithClass('webkit-html-resource-link');
-    if (!anchor || !anchor.href)
-      return;
-
-    return anchor;
+    var link = element;
+    while (link && !link[Elements.ElementsTreeElement.HrefSymbol])
+      link = link.parentElementOrShadowHost();
+    return link ? link : undefined;
   }
 
   /**
    * @param {!SDK.DOMNode} node
    * @param {function()} callback
    */
   _loadDimensionsForNode(node, callback) {
     if (!node.nodeName() || node.nodeName().toLowerCase() !== 'img') {
       callback();
       return;
@@ skipping 21 matching lines @@
           offsetHeight: this.offsetHeight,
           naturalWidth: this.naturalWidth,
           naturalHeight: this.naturalHeight,
           currentSrc: this.currentSrc
         };
       }
     }
   }
 
   /**
-   * @param {!Element} anchor
+   * @param {!Element} link
    * @param {!UI.Popover} popover
    */
-  _showPopover(anchor, popover) {
-    var listItem = anchor.enclosingNodeOrSelfWithNodeName('li');
+  _showPopover(link, popover) {
+    var listItem = link.enclosingNodeOrSelfWithNodeName('li');
     var node = /** @type {!Elements.ElementsTreeElement} */ (listItem.treeElement).node();
     this._loadDimensionsForNode(
         node, Components.DOMPresentationUtils.buildImagePreviewContents.bind(
-                  Components.DOMPresentationUtils, node.target(), anchor.href, true, showPopover));
+                  Components.DOMPresentationUtils, node.target(), link[Elements.ElementsTreeElement.HrefSymbol], true,
+                  showPopover));
 
     /**
      * @param {!Element=} contents
      */
     function showPopover(contents) {
       if (!contents)
         return;
       popover.setCanShrink(false);
-      popover.showForAnchor(contents, anchor);
+      popover.showForAnchor(contents, link);
     }
   }
 
   _onmousedown(event) {
     var element = this._treeElementFromEvent(event);
 
     if (!element || element.isEventWithinDisclosureTriangle(event))
       return;
 
     element.select();
@@ skipping 1085 matching lines @@
      */
     function resolved(node) {
       if (node) {
         this.treeOutline._selectedDOMNode = node;
         this.treeOutline._selectedNodeChanged();
       }
     }
     return true;
   }
 };