DevTools: Do not linkify to pseudo (program) node when there's no URL

third_party/WebKit/Source/devtools/front_end/components/ObjectPropertiesSection.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 1048 matching lines @@
         WebInspector.DOMPresentationUtils.createSpansForNodeTitle(valueElement, description);
         valueElement.addEventListener("click", mouseClick, false);
         valueElement.addEventListener("mousemove", mouseMove, false);
         valueElement.addEventListener("mouseleave", mouseLeave, false);
     } else {
         valueElement.title = description || "";
     }
 
     if (type === "object" && subtype === "internal#location") {
         var rawLocation = value.debuggerModel().createRawLocationByScriptId(value.value.scriptId, value.value.lineNumber, value.value.columnNumber);
-        if (rawLocation && linkifier)
-            return linkifier.linkifyRawLocation(rawLocation, "");
-        else
-            valueElement.textContent = "<unknown>";
+        if (rawLocation && linkifier) {
+            var anchor = linkifier.linkifyRawLocation(rawLocation, "");
+            if (anchor)
+                return anchor;
+        }
+        valueElement.textContent = "<unknown>";
     }
 
     function mouseMove()
     {
         WebInspector.DOMModel.highlightObjectAsDOMNode(value);
     }
 
     function mouseLeave()
     {
         WebInspector.DOMModel.hideDOMNodeHighlight();
@@ skipping 178 matching lines @@
 
             result = currentName + (result ? "." + result : "");
             current = current.parent;
         }
         var treeOutlineId = treeElement.treeOutline[WebInspector.ObjectPropertiesSectionExpandController._treeOutlineId];
         result = treeOutlineId + (result ? ":" + result : "");
         treeElement[WebInspector.ObjectPropertiesSectionExpandController._cachedPathSymbol] = result;
         return result;
     }
 }