inspections: introduce empty tool wrapper array

platform/analysis-api/src/com/intellij/codeInspection/ex/InspectionToolWrapper.java

@@ -37,6 +37,8 @@ import java.net.URL;
  *         Date: 9/28/11
  */
 public abstract class InspectionToolWrapper<T extends InspectionProfileEntry, E extends InspectionEP> {
+  public static final InspectionToolWrapper[] EMPTY_ARRAY = new InspectionToolWrapper[0];
+
   private static final Logger LOG = Logger.getInstance("#com.intellij.codeInspection.ex.InspectionToolWrapper");
 
   protected T myTool;

platform/lang-impl/src/com/intellij/codeInspection/actions/GotoInspectionModel.java

@@ -35,7 +35,6 @@ import java.util.Map;
  * @author Konstantin Bulenkov
  */
 public class GotoInspectionModel extends SimpleChooseByNameModel {
-  private static final InspectionToolWrapper[] EMPTY_WRAPPERS_ARRAY = new InspectionToolWrapper[0];
   private final Map<String, InspectionToolWrapper> myToolNames = new HashMap<>();
   private final String[] myNames;
   private final InspectionListCellRenderer myListCellRenderer = new InspectionListCellRenderer();
@@ -69,7 +68,7 @@ public class GotoInspectionModel extends SimpleChooseByNameModel {
   public Object[] getElementsByName(final String name, final String pattern) {
     final InspectionToolWrapper tool = myToolNames.get(name);
     if (tool == null) {
-      return EMPTY_WRAPPERS_ARRAY;
+      return InspectionToolWrapper.EMPTY_ARRAY;
     }
     return new InspectionToolWrapper[] {tool};
   }

platform/testFramework/src/com/intellij/mock/MockInspectionProfile.java

@@ -29,7 +29,7 @@ import java.util.Set;
  * @author peter
 */
 public class MockInspectionProfile extends InspectionProfileImpl {
-  private InspectionToolWrapper[] myInspectionTools = new InspectionToolWrapper[0];
+  private InspectionToolWrapper[] myInspectionTools = InspectionToolWrapper.EMPTY_ARRAY;
   private final Set<InspectionToolWrapper> myDisabledTools = new THashSet<>();
 
   public MockInspectionProfile() {