Merge 133750 - Web Inspector: [Regression] Editing formatted source should not be allowed.

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

 /*
  * Copyright (C) 2012 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
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 65 matching lines @@
             return;
         }
     },
 
     /**
      * @param {WebInspector.Event} event
      */
     _onFormattedChanged: function(event)
     {
         var content = /** @type {string} */ event.data.content;
+        this._textEditor.setReadOnly(this._uiSourceCode.formatted());
         this._innerSetContent(content);
     },
 
     /**
      * @param {WebInspector.Event} event
      */
     _onWorkingCopyChanged: function(event)
     {
         this._innerSetContent(this._uiSourceCode.workingCopy());
     },
@@ skipping 16 matching lines @@
 
     populateTextAreaContextMenu: function(contextMenu, lineNumber)
     {
         WebInspector.SourceFrame.prototype.populateTextAreaContextMenu.call(this, contextMenu, lineNumber);
         contextMenu.appendApplicableItems(this._uiSourceCode);
         contextMenu.appendSeparator();
     },
 
     __proto__: WebInspector.SourceFrame.prototype
 }