cleanup — default method, nullability

java/execution/impl/src/com/intellij/execution/testDiscovery/TestDiscoveryExtension.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2015 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,6 @@ import com.intellij.execution.testframework.sm.runner.SMTestProxy;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.diagnostic.Logger;
-import com.intellij.openapi.options.SettingsEditor;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.InvalidDataException;
@@ -54,16 +53,6 @@ import java.util.List;
 public class TestDiscoveryExtension extends RunConfigurationExtension {
   private static final Logger LOG = Logger.getInstance("#" + TestDiscoveryExtension.class.getName());
 
-  @Nullable
-  public SettingsEditor createEditor(@NotNull RunConfigurationBase configuration) {
-    return null;
-  }
-
-  @Nullable
-  public String getEditorTitle() {
-    return null;
-  }
-
   @NotNull
   @Override
   public String getSerializationId() {
@@ -117,6 +106,7 @@ public class TestDiscoveryExtension extends RunConfigurationExtension {
     }
   }
 
+  @Override
   public void updateJavaParameters(RunConfigurationBase configuration, JavaParameters params, RunnerSettings runnerSettings) {
     if (runnerSettings != null || !isApplicableFor(configuration)) {
       return;
@@ -147,6 +137,7 @@ public class TestDiscoveryExtension extends RunConfigurationExtension {
     throw new WriteExternalException();
   }
 
+  @Override
   protected boolean isApplicableFor(@NotNull final RunConfigurationBase configuration) {
     return configuration instanceof JavaTestConfigurationBase && Registry.is("testDiscovery.enabled");
   }