DevTools: introduce object previews experiment

third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.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.
 
 Components.JavaScriptAutocomplete = {};
 
 /** @typedef {{title:(string|undefined), items:Array<string>}} */
 Components.JavaScriptAutocomplete.CompletionGroup;
 
 /**
@@ skipping 186 matching lines @@
         group.items.push(properties[i].name);
       if (--pendingRequests === 0)
         callback(result);
     }
 
     var scopeChain = callFrame.scopeChain();
     var pendingRequests = scopeChain.length;
     for (var i = 0; i < scopeChain.length; ++i) {
       var scope = scopeChain[i];
       var object = scope.object();
-      object.getAllProperties(false, propertiesCollected.bind(null, scope.typeName()));
+      object.getAllProperties(false, false, propertiesCollected.bind(null, scope.typeName()));

[dgozman, 2017/01/13 02:55:41]

While you are here, could you please annotate it like this:

false /* accessorPropertiesOnly */, false /* generatePreview */

[luoe, 2017/01/13 23:20:12]

Done.

     }
   }
 
   /**
    * @param {?SDK.RemoteObject} result
    * @param {!Protocol.Runtime.ExceptionDetails=} exceptionDetails
    */
   function receivedPropertyNamesFromEval(result, exceptionDetails) {
     executionContext.target().runtimeAgent().releaseObjectGroup('completion');
     if (result && !exceptionDetails)
@@ skipping 108 matching lines @@
     var structuredGroup =
         caseSensitivePrefix.concat(caseInsensitivePrefix, caseSensitiveAnywhere, caseInsensitiveAnywhere);
     if (structuredGroup.length && group.title !== lastGroupTitle) {
       structuredGroup[0].subtitle = group.title;
       lastGroupTitle = group.title;
     }
     result = result.concat(structuredGroup);
   }
   return result;
 };