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

third_party/WebKit/Source/devtools/front_end/profiler/CPUProfileView.js

 /*
  * Copyright (C) 2008 Apple 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 327 matching lines @@
      * @return {string}
      */
     formatPercent: function(value, node)
     {
         return node.profileNode === this._profileView.profile.idleNode ? "" : WebInspector.UIString("%.2f\u2009%%", value);
     },
 
     /**
      * @override
      * @param  {!WebInspector.ProfileDataGridNode} node
-     * @return {!Element}
+     * @return {?Element}
      */
     linkifyNode: function(node)
     {
         return this._profileView.linkifier().linkifyConsoleCallFrame(this._profileView.target(), node.profileNode.callFrame, "profile-node-file");
     }
 }
 
 /**
  * @constructor
  * @extends {WebInspector.ProfileFlameChartDataProvider}
@@ skipping 119 matching lines @@
                 return WebInspector.UIString("%.1f\u2009ms", ms);
             return Number.secondsToString(ms / 1000, true);
         }
         var name = WebInspector.beautifyFunctionName(node.functionName);
         pushEntryInfoRow(WebInspector.UIString("Name"), name);
         var selfTime = millisecondsToString(this._entrySelfTimes[entryIndex]);
         var totalTime = millisecondsToString(timelineData.entryTotalTimes[entryIndex]);
         pushEntryInfoRow(WebInspector.UIString("Self time"), selfTime);
         pushEntryInfoRow(WebInspector.UIString("Total time"), totalTime);
         var linkifier = new WebInspector.Linkifier();
-        var text = linkifier.linkifyConsoleCallFrame(this._target, node.callFrame).textContent;
+        var link = linkifier.linkifyConsoleCallFrame(this._target, node.callFrame);
+        if (link)
+            pushEntryInfoRow(WebInspector.UIString("URL"), link.textContent);
         linkifier.dispose();
-        pushEntryInfoRow(WebInspector.UIString("URL"), text);
         pushEntryInfoRow(WebInspector.UIString("Aggregated self time"), Number.secondsToString(node.self / 1000, true));
         pushEntryInfoRow(WebInspector.UIString("Aggregated total time"), Number.secondsToString(node.total / 1000, true));
         if (node.deoptReason && node.deoptReason !== "no reason")
             pushEntryInfoRow(WebInspector.UIString("Not optimized"), node.deoptReason);
 
         return entryInfo;
     },
 
     __proto__: WebInspector.ProfileFlameChartDataProvider.prototype
 }