Minor. Simplified by subclassing from abstract class.

idea/src/org/jetbrains/kotlin/idea/compiler/JetCompilerManager.java

@@ -20,7 +20,7 @@ import com.intellij.diagnostic.PluginException;
 import com.intellij.ide.plugins.PluginManagerCore;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.compiler.*;
-import com.intellij.openapi.components.ProjectComponent;
+import com.intellij.openapi.components.AbstractProjectComponent;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.io.FileUtilRt;
@@ -38,7 +38,7 @@ import java.util.Set;
 import static org.jetbrains.kotlin.config.CompilerRunnerConstants.INTERNAL_ERROR_PREFIX;
 import static org.jetbrains.kotlin.config.CompilerRunnerConstants.KOTLIN_COMPILER_NAME;
 
-public class JetCompilerManager implements ProjectComponent {
+public class JetCompilerManager extends AbstractProjectComponent {
     private static final Logger LOG = Logger.getInstance(JetCompilerManager.class);
 
     // Comes from external make
@@ -46,6 +46,7 @@ public class JetCompilerManager implements ProjectComponent {
     private static final Set<String> FILE_EXTS_WHICH_NEEDS_REFRESH = ContainerUtil.immutableSet(JavaScript.DOT_EXTENSION, ".map");
 
     public JetCompilerManager(Project project, CompilerManager manager) {
+        super(project);
         manager.addCompilableFileType(JetFileType.INSTANCE);
         manager.addCompilationStatusListener(new CompilationStatusListener() {
             @Override
@@ -74,28 +75,6 @@ public class JetCompilerManager implements ProjectComponent {
         }, project);
     }
 
-    @Override
-    public void projectOpened() {
-    }
-
-    @Override
-    public void projectClosed() {
-    }
-
-    @Override
-    public void initComponent() {
-    }
-
-    @Override
-    public void disposeComponent() {
-    }
-
-    @NotNull
-    @Override
-    public String getComponentName() {
-        return JetCompilerManager.class.getCanonicalName();
-    }
-
     // Extending PluginException ensures that Exception Analyzer recognizes this as a Kotlin exception
     private static class KotlinCompilerException extends PluginException {
         private final String text;