Merge 122979 - Web Inspector: [Regression] Save as file is missing in Network panel preview/respons…

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

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 1431 matching lines @@
     },
 
     /** 
      * @param {WebInspector.ContextMenu} contextMenu
      * @param {Object} target
      */
     appendApplicableItems: function(contextMenu, target)
     {
         if (!(target instanceof WebInspector.NetworkRequest))
             return;
+        if (this.visibleView && this.visibleView.isShowing() && this.visibleView.request() === target)
+            return;
 
         function reveal()
         {
             WebInspector.inspectorView.setCurrentPanel(this);
             this.revealAndHighlightRequest(/** @type {WebInspector.NetworkRequest} */ target);
         }
         contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Reveal in network panel" : "Reveal in Network Panel"), reveal.bind(this));
     }
 }
 
@@ skipping 674 matching lines @@
     var aValue = a._request[propertyName];
     var bValue = b._request[propertyName];
     if (aValue > bValue)
         return revert ? -1 : 1;
     if (bValue > aValue)
         return revert ? 1 : -1;
     return 0;
 }
 
 WebInspector.NetworkDataGridNode.prototype.__proto__ = WebInspector.DataGridNode.prototype;