DevTools: introduce object previews experiment

third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 Sources.SourceMapNamesResolver = {};
 
 Sources.SourceMapNamesResolver._cachedMapSymbol = Symbol('cache');
 Sources.SourceMapNamesResolver._cachedIdentifiersSymbol = Symbol('cachedIdentifiers');
 
 /**
  * @unrestricted
@@ skipping 385 matching lines @@
   /**
    * @override
    * @return {number}
    */
   arrayLength() {
     return this._object.arrayLength();
   }
 
   /**
    * @override
+   * @param {boolean} generatePreview
    * @param {function(?Array.<!SDK.RemoteObjectProperty>, ?Array.<!SDK.RemoteObjectProperty>)} callback
    */
-  getOwnProperties(callback) {
-    this._object.getOwnProperties(callback);
+  getOwnProperties(generatePreview, callback) {
+    this._object.getOwnProperties(generatePreview, callback);
   }
 
   /**
    * @override
    * @param {boolean} accessorPropertiesOnly
+   * @param {boolean} generatePreview
    * @param {function(?Array<!SDK.RemoteObjectProperty>, ?Array<!SDK.RemoteObjectProperty>)} callback
    */
-  getAllProperties(accessorPropertiesOnly, callback) {
+  getAllProperties(accessorPropertiesOnly, generatePreview, callback) {
     /**
      * @param {?Array.<!SDK.RemoteObjectProperty>} properties
      * @param {?Array.<!SDK.RemoteObjectProperty>} internalProperties
      * @this {Sources.SourceMapNamesResolver.RemoteObject}
      */
     function wrappedCallback(properties, internalProperties) {
       Sources.SourceMapNamesResolver._resolveScope(this._scope)
           .then(resolveNames.bind(null, properties, internalProperties));
     }
 
@@ skipping 10 matching lines @@
           var name = namesMapping.get(property.name) || properties[i].name;
           newProperties.push(new SDK.RemoteObjectProperty(
               name, property.value, property.enumerable, property.writable, property.isOwn, property.wasThrown,
               property.symbol, property.synthetic));
         }
       }
 
       callback(newProperties, internalProperties);
     }
 
-    this._object.getAllProperties(accessorPropertiesOnly, wrappedCallback.bind(this));
+    this._object.getAllProperties(accessorPropertiesOnly, generatePreview, wrappedCallback.bind(this));
   }
 
   /**
    * @override
    * @param {string|!Protocol.Runtime.CallArgument} argumentName
    * @param {string} value
    * @param {function(string=)} callback
    */
   setPropertyValue(argumentName, value, callback) {
     Sources.SourceMapNamesResolver._resolveScope(this._scope).then(resolveName.bind(this));
@@ skipping 74 matching lines @@
   }
 
   /**
    * @override
    * @return {boolean}
    */
   isNode() {
     return this._object.isNode();
   }
 };