DevTools: introduce persistence/ module

third_party/WebKit/Source/devtools/front_end/bindings/SASSSourceMapping.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:
  *
  *     * 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 37 matching lines @@
 
 WebInspector.SASSSourceMapping.prototype = {
     /**
      * @param {!WebInspector.Event} event
      */
     _sourceMapAttached: function(event)
     {
         var header = /** @type {!WebInspector.CSSStyleSheetHeader} */ (event.data);
         var sourceMap = this._cssModel.sourceMapForHeader(header);
         for (var sassURL of sourceMap.sourceURLs()) {
-            if (!this._networkMapping.hasMappingForNetworkURL(sassURL)) {
-                var contentProvider = sourceMap.sourceContentProvider(sassURL, WebInspector.resourceTypes.SourceMapStyleSheet);
-                this._networkProject.addFile(contentProvider, WebInspector.ResourceTreeFrame.fromStyleSheet(header));
-            }
+            var contentProvider = sourceMap.sourceContentProvider(sassURL, WebInspector.resourceTypes.SourceMapStyleSheet);
+            this._networkProject.addFile(contentProvider, WebInspector.ResourceTreeFrame.fromStyleSheet(header));
         }
         WebInspector.cssWorkspaceBinding.updateLocations(header);
     },
 
     /**
      * @param {!WebInspector.Event} event
      */
     _sourceMapDetached: function(event)
     {
         var header = /** @type {!WebInspector.CSSStyleSheetHeader} */(event.data);
@@ skipping 42 matching lines @@
         if (!uiSourceCode)
             return null;
         return uiSourceCode.uiLocation(entry.sourceLineNumber || 0, entry.sourceColumnNumber);
     },
 
     dispose: function()
     {
         WebInspector.EventTarget.removeEventListeners(this._eventListeners);
     }
 }