DevTools: Turn *Model events into symbols

third_party/WebKit/Source/devtools/front_end/sdk/DOMModel.js

 /*
  * Copyright (C) 2009, 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 1094 matching lines @@
     target.registerDOMDispatcher(new WebInspector.DOMDispatcher(this));
 
     this._inspectModeEnabled = false;
 
     this._defaultHighlighter = new WebInspector.DefaultDOMNodeHighlighter(this._agent);
     this._highlighter = this._defaultHighlighter;
 
     this._agent.enable();
 }
 
-/** @enum {string} */
+/** @enum {symbol} */
 WebInspector.DOMModel.Events = {
-    AttrModified: "AttrModified",
-    AttrRemoved: "AttrRemoved",
-    CharacterDataModified: "CharacterDataModified",
-    DOMMutated: "DOMMutated",
-    NodeInserted: "NodeInserted",
-    NodeInspected: "NodeInspected",
-    NodeHighlightedInOverlay: "NodeHighlightedInOverlay",
-    NodeRemoved: "NodeRemoved",
-    DocumentUpdated: "DocumentUpdated",
-    ChildNodeCountUpdated: "ChildNodeCountUpdated",
-    UndoRedoRequested: "UndoRedoRequested",
-    UndoRedoCompleted: "UndoRedoCompleted",
-    DistributedNodesChanged: "DistributedNodesChanged",
-    ModelSuspended: "ModelSuspended",
-    InspectModeWillBeToggled: "InspectModeWillBeToggled",
-    MarkersChanged: "MarkersChanged"
+    AttrModified: Symbol("AttrModified"),
+    AttrRemoved: Symbol("AttrRemoved"),
+    CharacterDataModified: Symbol("CharacterDataModified"),
+    DOMMutated: Symbol("DOMMutated"),
+    NodeInserted: Symbol("NodeInserted"),
+    NodeInspected: Symbol("NodeInspected"),
+    NodeHighlightedInOverlay: Symbol("NodeHighlightedInOverlay"),
+    NodeRemoved: Symbol("NodeRemoved"),
+    DocumentUpdated: Symbol("DocumentUpdated"),
+    ChildNodeCountUpdated: Symbol("ChildNodeCountUpdated"),
+    UndoRedoRequested: Symbol("UndoRedoRequested"),
+    UndoRedoCompleted: Symbol("UndoRedoCompleted"),
+    DistributedNodesChanged: Symbol("DistributedNodesChanged"),
+    ModelSuspended: Symbol("ModelSuspended"),
+    InspectModeWillBeToggled: Symbol("InspectModeWillBeToggled"),
+    MarkersChanged: Symbol("MarkersChanged")
 }
 
 /**
  * @param {!WebInspector.RemoteObject} object
  */
 WebInspector.DOMModel.highlightObjectAsDOMNode = function(object)
 {
     var domModel = WebInspector.DOMModel.fromTarget(object.target());
     if (domModel)
         domModel.highlightDOMNode(undefined, undefined, undefined, object.objectId);
@@ skipping 1137 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.DOMModel}
  */
 WebInspector.DOMModel.fromTarget = function(target)
 {
     return /** @type {?WebInspector.DOMModel} */ (target.model(WebInspector.DOMModel));
 }