scope handling (wip)

Author: rbri

src/main/java/org/htmlunit/javascript/host/Window.java

@@ -744,7 +744,7 @@ public History getHistory() {
     @JsxGetter
     public External getExternal() {
         final External external = new External();
-        external.setParentScope(this);
+        external.setParentScope(getParentScope());
         external.setPrototype(getPrototype(external.getClass()));
         return external;
     }
@@ -2155,7 +2155,7 @@ public boolean find(final String search, final boolean caseSensitive,
     @JsxGetter({CHROME, EDGE})
     public SpeechSynthesis getSpeechSynthesis() {
         final SpeechSynthesis speechSynthesis = new SpeechSynthesis();
-        speechSynthesis.setParentScope(this);
+        speechSynthesis.setParentScope(getParentScope());
         speechSynthesis.setPrototype(getPrototype(speechSynthesis.getClass()));
         return speechSynthesis;
     }

src/main/java/org/htmlunit/javascript/host/abort/AbortController.java

@@ -36,7 +36,7 @@ public class AbortController extends HtmlUnitScriptable {
     @JsxConstructor
     public void jsConstructor() {
         signal_ = new AbortSignal();
-        signal_.setParentScope(this);
+        signal_.setParentScope(getParentScope());
         signal_.setPrototype(getPrototype(signal_.getClass()));
     }
 

src/main/java/org/htmlunit/javascript/host/worker/DedicatedWorkerGlobalScope.java

@@ -336,11 +336,11 @@ void loadAndExecute(final WebClient webClient, final String url,
         final URL fullUrl = page.getFullyQualifiedUrl(url);
 
         workerLocation_ = new WorkerLocation(fullUrl, origin_);
-        workerLocation_.setParentScope(this);
+        workerLocation_.setParentScope(getParentScope());
         workerLocation_.setPrototype(getPrototype(workerLocation_.getClass()));
 
         workerNavigator_ = new WorkerNavigator(webClient.getBrowserVersion());
-        workerNavigator_.setParentScope(this);
+        workerNavigator_.setParentScope(getParentScope());
         workerNavigator_.setPrototype(getPrototype(workerNavigator_.getClass()));
 
         final WebRequest webRequest = new WebRequest(fullUrl);
@@ -353,9 +353,8 @@ void loadAndExecute(final WebClient webClient, final String url,
         final String scriptCode = response.getContentAsString();
         final AbstractJavaScriptEngine<?> javaScriptEngine = webClient.getJavaScriptEngine();
 
-        final DedicatedWorkerGlobalScope thisScope = this;
         final ContextAction<Object> action =
-                cx -> javaScriptEngine.execute(page, thisScope, scriptCode, fullUrl.toExternalForm(), 1);
+                cx -> javaScriptEngine.execute(page, getParentScope(), scriptCode, fullUrl.toExternalForm(), 1);
 
         final HtmlUnitContextFactory cf = javaScriptEngine.getContextFactory();