[DevTools] Do not inherit SDK.DOMNode from SDK.SDKObject

third_party/WebKit/Source/devtools/front_end/elements/InspectElementModeController.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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 72 matching lines @@
     }
 
     this._setMode(mode);
   }
 
   /**
    * @param {!Protocol.DOM.InspectMode} mode
    */
   _setMode(mode) {
     this._mode = mode;
-    for (var domModel of SDK.DOMModel.instances())
+    for (var domModel of SDK.targetManager.models(SDK.DOMModel))
       domModel.setInspectMode(mode);
     this._toggleSearchAction.setToggled(this.isInInspectElementMode());
   }
 
   _suspendStateChanged() {
     if (!SDK.targetManager.allTargetsSuspended())
       return;
 
     this._mode = Protocol.DOM.InspectMode.None;
     this._toggleSearchAction.setToggled(false);
@@ skipping 15 matching lines @@
     if (!Elements.inspectElementModeController)
       return false;
     Elements.inspectElementModeController._toggleInspectMode();
     return true;
   }
 };
 
 /** @type {?Elements.InspectElementModeController} */
 Elements.inspectElementModeController =
     Runtime.queryParam('isSharedWorker') ? null : new Elements.InspectElementModeController();