Merge 102898 - Web Inspector: [Regression] Network manager fails to show resource type and MIME t...

Source/WebCore/inspector/front-end/ConsoleMessage.js

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2007, 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
@@ skipping 121 matching lines @@
                 var urlElement = this._linkifyCallFrame(this._stackTrace[0]);
                 this._formattedMessage.appendChild(urlElement);
             } else if (this.url && this.url !== "undefined") {
                 var urlElement = this._linkifyLocation(this.url, this.line, 0);
                 this._formattedMessage.appendChild(urlElement);
             }
         }
 
         this._formattedMessage.appendChild(messageText);
 
-        var dumpStackTrace = !!this._stackTrace && (this.source === WebInspector.ConsoleMessage.MessageSource.Network || this.level === WebInspector.ConsoleMessage.MessageLevel.Error || this.type === WebInspector.ConsoleMessage.MessageType.Trace);
+        var dumpStackTrace = !!this._stackTrace && this._stackTrace.length && (this.source === WebInspector.ConsoleMessage.MessageSource.Network || this.level === WebInspector.ConsoleMessage.MessageLevel.Error || this.type === WebInspector.ConsoleMessage.MessageType.Trace);
         if (dumpStackTrace) {
             var ol = document.createElement("ol");
             ol.className = "outline-disclosure";
             var treeOutline = new TreeOutline(ol);
 
             var content = this._formattedMessage;
             var root = new TreeElement(content, null, true);
             content.treeElementForTest = root;
             treeOutline.appendChild(root);
             if (this.type === WebInspector.ConsoleMessage.MessageType.Trace)
@@ skipping 435 matching lines @@
             && (this._request === msg._request);
     },
 
     get stackTrace()
     {
         return this._stackTrace;
     }
 }
 
 WebInspector.ConsoleMessageImpl.prototype.__proto__ = WebInspector.ConsoleMessage.prototype;