DevTools: straw man adaptable implementation.

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 910 matching lines @@
          * @this {WebInspector.DOMNode}
          */
         function resolveToObject(fulfill, reject)
         {
             this.resolveToObject(objectGroup, mycallback);
             function mycallback(object)
             {
                 if (object)
                     fulfill(object)
                 else
-                    reject(null);
+                    reject(new Error());
             }
         }
     },
 
     /**
      * @param {function(?DOMAgent.BoxModel)} callback
      */
     boxModel: function(callback)
     {
         this._agent.getBoxModel(this.id, this._domModel._wrapClientCallback(callback));
@@ skipping 1263 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.DOMModel}
  */
 WebInspector.DOMModel.fromTarget = function(target)
 {
     return /** @type {?WebInspector.DOMModel} */ (target.model(WebInspector.DOMModel));
 }
+
+/**
+ * @constructor
+ * @implements {Runtime.Adapter}
+ */
+WebInspector.DOMNode.ToRemoteObject = function()
+{
+}
+
+WebInspector.DOMNode.ToRemoteObject.prototype = {
+    /**
+     * @override
+     * @param {!Object} from
+     * @return {!Promise<?Object>}
+     */
+    adapt: function(from)
+    {
+        var domNode = /** @type {!WebInspector.DOMNode} */ (from);
+        return /** @type {!Promise<?Object>} */ (domNode.resolveToObjectPromise("leaky"));
+    }
+}