DevTools: replace content provider when re-adding into network project

third_party/WebKit/Source/devtools/front_end/bindings/ContentProviderBasedProjectDelegate.js

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 332 matching lines @@
      * @param {string} parentPath
      * @param {string} name
      * @param {string} originURL
      * @param {!WebInspector.ContentProvider} contentProvider
      * @return {string}
      */
     addContentProvider: function(parentPath, name, originURL, contentProvider)
     {
         var path = parentPath ? parentPath + "/" + name : name;
         if (this._contentProviders[path])
-            return path;
+            this.dispatchEventToListeners(WebInspector.ProjectDelegate.Events.FileRemoved, path);
         var fileDescriptor = new WebInspector.FileDescriptor(parentPath, name, originURL, contentProvider.contentType());
         this._contentProviders[path] = contentProvider;
         this.dispatchEventToListeners(WebInspector.ProjectDelegate.Events.FileAdded, fileDescriptor);
         return path;
     },
 
     /**
      * @param {string} path
      */
     removeFile: function(path)
@@ skipping 12 matching lines @@
 
     reset: function()
     {
         this._contentProviders = {};
         this._workspace.removeProject(this._id);
         this._workspace.addProject(this._id, this);
     },
 
     __proto__: WebInspector.Object.prototype
 }