SLING-5175 - The current set up of the ImporterTopLevel in the RhinoJavaScriptEngine incurs performance penalties

* configured the ImporterTopLevel for the rootScope provided by the RhinoJavaScriptEngineFactory

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1709781 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngine.java b/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngine.java
index d1d83ca..158ff22 100644
--- a/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngine.java
+++ b/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngine.java
@@ -248,7 +248,7 @@
                 } else {
                     // create the request top scope, use the ImporterToplevel here
                     // to support the importPackage and importClasses functions
-                    scope = new ImporterTopLevel(rhinoContext);
+                    scope = new ImporterTopLevel();
 
                     // Set the global scope to be our prototype
                     scope.setPrototype(rootScope);
diff --git a/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngineFactory.java b/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngineFactory.java
index 8938205..bf8c83b 100644
--- a/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngineFactory.java
+++ b/src/main/java/org/apache/sling/scripting/javascript/internal/RhinoJavaScriptEngineFactory.java
@@ -169,8 +169,8 @@
 
             final Context rhinoContext = Context.enter();
             try {
-
-                Scriptable tmpScope = rhinoContext.initStandardObjects(new ImporterTopLevel(), false);
+                rhinoContext.setOptimizationLevel(optimizationLevel);
+                Scriptable tmpScope = rhinoContext.initStandardObjects(new ImporterTopLevel(rhinoContext), false);
 
                 // default classes
                 addHostObjects(tmpScope, (Class<? extends ScriptableObject>[]) HOSTOBJECT_CLASSES);