speedup SimpleColoredComponent based renderers

platform/platform-api/src/com/intellij/ui/ColoredListCellRenderer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 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.
@@ -101,6 +101,11 @@ public abstract class ColoredListCellRenderer<T> extends SimpleColoredComponent
     }
   }
 
+  @Override
+  void revalidateAndRepaint() {
+    // no need for this in a renderer
+  }
+
   @Override
   @NotNull
   public Dimension getPreferredSize() {

platform/platform-api/src/com/intellij/ui/ColoredTreeCellRenderer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2013 JetBrains s.r.o.
+ * Copyright 2000-2017 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.
@@ -170,6 +170,11 @@ public abstract class ColoredTreeCellRenderer extends SimpleColoredComponent imp
     }
   }
 
+  @Override
+  void revalidateAndRepaint() {
+    // no need for this in a renderer
+  }
+
   /**
    * This method is invoked only for customization of component.
    * All component attributes are cleared when this method is being invoked.

platform/platform-api/src/com/intellij/ui/SimpleColoredComponent.java

@@ -198,7 +198,7 @@ public class SimpleColoredComponent extends JComponent implements Accessible, Co
     }
   }
 
-  private void revalidateAndRepaint() {
+  void revalidateAndRepaint() {
     if (myAutoInvalidate) {
       revalidate();
     }

platform/platform-api/src/com/intellij/ui/SimpleColoredRenderer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2017 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.
@@ -31,6 +31,11 @@ public class SimpleColoredRenderer extends SimpleColoredComponent {
     super.append(fragment, modifyAttributes(attributes), isMainText);
   }
 
+  @Override
+  void revalidateAndRepaint() {
+    // no need for this in a renderer
+  }
+
   protected SimpleTextAttributes modifyAttributes(final SimpleTextAttributes attributes) {
     return myCellState.modifyAttributes(attributes);
   }