DevTools: introduce object previews experiment

third_party/WebKit/Source/devtools/front_end/elements/PropertiesWidget.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2014 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 90 matching lines @@
     }
 
     /**
      * @param {!{object: ?SDK.RemoteObject, wasThrown: (boolean|undefined)}} result
      * @this {Elements.PropertiesWidget}
      */
     function nodePrototypesReady(result) {
       if (!result.object || result.wasThrown)
         return;
 
-      var promise = result.object.getOwnPropertiesPromise().then(fillSection.bind(this));
+      var promise = result.object.getOwnPropertiesPromise(false /* generatePreview */).then(fillSection.bind(this));
       result.object.release();
       return promise;
     }
 
     /**
      * @param {!{properties: ?Array.<!SDK.RemoteObjectProperty>, internalProperties: ?Array.<!SDK.RemoteObjectProperty>}} result
      * @this {Elements.PropertiesWidget}
      */
     function fillSection(result) {
       if (!result || !result.properties)
@@ skipping 43 matching lines @@
       return;
     var data = event.data;
     var node = /** @type {!SDK.DOMNode} */ (data instanceof SDK.DOMNode ? data : data.node);
     if (this._node !== node)
       return;
     this.update();
   }
 };
 
 Elements.PropertiesWidget._objectGroupName = 'properties-sidebar-pane';