Move setValue operation into a separate JsDeclarativeVariable interface

plugins/org.chromium.sdk.wipbackend.dev/src/org/chromium/sdk/internal/wip/WipValueLoader.java

 // Copyright (c) 2011 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.
 
 package org.chromium.sdk.internal.wip;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
@@ skipping 151 matching lines @@
         } else {
           properties.add(property);
         }
       }
 
       if (internalPropertyList != null) {
         for (InternalPropertyDescriptorValue propertyDescriptor : internalPropertyList) {
           String name = propertyDescriptor.name();
 
           JsVariable variable =
-              valueBuilder.createVariable(propertyDescriptor.value(), name, null);
+              valueBuilder.createVariable(propertyDescriptor.value(), name);
           internalProperties.add(variable);
         }
       }
 
       final ObjectProperties result = new ObjectProperties() {
         private volatile Map<String, JsVariable> propertyMap = null;
 
         @Override
         public List<? extends JsObjectProperty> properties() {
           return properties;
@@ skipping 183 matching lines @@
       return (WipValueLoader) mapping;
     } catch (ClassCastException e) {
       throw new IllegalArgumentException("Incorrect evaluate context argument", e);
     }
   }
 
   // List is too short to use HashSet.
   private static final Collection<String> INTERNAL_PROPERTY_NAME =
       Arrays.asList("__proto__");
 }