DevTools: introduce object previews experiment

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

Index: third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js b/third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js
index 2649b9bf678c2c274869f9f751d43e180bea9bb0..11fc49fa3cdbf23707967c8ab70b444f67c74464 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js
@@ -403,18 +403,20 @@ Sources.SourceMapNamesResolver.RemoteObject = class extends SDK.RemoteObject {
 
   /**
    * @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
@@ -445,7 +447,7 @@ Sources.SourceMapNamesResolver.RemoteObject = class extends SDK.RemoteObject {
       callback(newProperties, internalProperties);
     }
 
-    this._object.getAllProperties(accessorPropertiesOnly, wrappedCallback.bind(this));
+    this._object.getAllProperties(accessorPropertiesOnly, generatePreview, wrappedCallback.bind(this));
   }
 
   /**