Devtools: [CustomFormatter] Add context menu to disassemble custom previews

Source/devtools/front_end/components/ObjectPopoverHelper.js

 /*
  * Copyright (C) 2011 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 145 matching lines @@
                     return;
                 }
                 popover.showForAnchor(popoverContentElement, anchorElement);
             } else {
                 if (result.subtype === "node") {
                     WebInspector.DOMModel.highlightObjectAsDOMNode(result);
                     this._resultHighlightedAsDOM = true;
                 }
 
                 if (result.customPreview()) {
-                    popoverContentElement = WebInspector.CustomPreviewSection.createInShadow(result, true);
+                    var customPreviewComponent = new WebInspector.CustomPreviewComponent(result);
+                    customPreviewComponent.expandIfPossible();
+                    popoverContentElement = customPreviewComponent.element;
                 } else {
                     popoverContentElement = createElement("div");
                     this._titleElement = popoverContentElement.createChild("div", "monospace");
                     this._titleElement.createChild("span", "source-frame-popover-title").textContent = description;
                     var section = new WebInspector.ObjectPropertiesSection(result, "");
                     section.element.classList.add("source-frame-popover-tree");
                     section.titleLessMode();
                     popoverContentElement.appendChild(section.element);
 
                     if (result.subtype === "generator")
@@ skipping 31 matching lines @@
      */
     _lazyLinkifier: function()
     {
         if (!this._linkifier)
             this._linkifier = new WebInspector.Linkifier();
         return this._linkifier;
     },
 
     __proto__: WebInspector.PopoverHelper.prototype
 }