[DevTools] Fix native function console output

third_party/WebKit/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 84 matching lines @@
             functionName.textContent = WebInspector.beautifyFunctionName(response.functionName);
 
             var rawLocation = response.location;
             var linkContainer = title.createChild("div", "function-title-link-container");
             if (rawLocation && Runtime.experiments.isEnabled("continueToFirstInvocation")) {
                 var sectionToolbar = new WebInspector.Toolbar("function-location-step-into", linkContainer);
                 var stepInto = new WebInspector.ToolbarButton(WebInspector.UIString("Continue to first invocation"), "step-in-toolbar-item");
                 stepInto.addEventListener("click", () => rawLocation.continueToLocation());
                 sectionToolbar.appendToolbarItem(stepInto);
             }
-            var sourceURL = rawLocation.script() ? rawLocation.script().sourceURL : null;
+            var sourceURL = rawLocation && rawLocation.script() ? rawLocation.script().sourceURL : null;
             if (rawLocation && sourceURL) {
                 var link = this._lazyLinkifier().linkifyRawLocation(rawLocation, sourceURL);
                 linkContainer.appendChild(link);
             }
             container.appendChild(popoverContentElement);
             popover.showForAnchor(container, anchorElement);
         }
 
         /**
          * @param {!WebInspector.RemoteObject} result
@@ skipping 79 matching lines @@
      */
     _lazyLinkifier: function()
     {
         if (!this._linkifier)
             this._linkifier = new WebInspector.Linkifier();
         return this._linkifier;
     },
 
     __proto__: WebInspector.PopoverHelper.prototype
 }