Revert "helper method isEditorActivity"

This reverts commit ee119bd812.

platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeBuilder.java

@@ -344,10 +344,6 @@ public class AbstractTreeBuilder implements Disposable {
     }
   }
 
-  protected ProgressIndicator getProgressIndicator() {
-    return getUi().getProgressIndicator();
-  }
-
   protected void updateAfterLoadedInBackground(Runnable runnable) {
     if (myUi.isPassthroughMode()) {
       runnable.run();

platform/platform-api/src/com/intellij/ide/util/treeView/AbstractTreeUi.java

@@ -1784,10 +1784,6 @@ public class AbstractTreeUi {
     return result;
   }
 
-  public ProgressIndicator getProgressIndicator() {
-    return myProgress;
-  }
-
   static class ElementNode extends DefaultMutableTreeNode {
 
     Set<Object> myElements = new HashSet<Object>();

platform/platform-api/src/com/intellij/openapi/application/UserActivity.java

@@ -17,9 +17,6 @@ package com.intellij.openapi.application;
 
 import com.intellij.util.messages.Topic;
 
-import javax.swing.*;
-import java.awt.*;
-import java.awt.event.InputEvent;
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 
@@ -44,22 +41,4 @@ public interface UserActivity {
     }
   }
 
-  class Util {
-
-    public static boolean isEditorActivity(InputEvent e) {
-      Component c = null;
-      if (e instanceof KeyEvent) {
-        c = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
-      } else if (e instanceof MouseEvent) {
-        c = SwingUtilities.getDeepestComponentAt(e.getComponent(), ((MouseEvent)e).getX(), ((MouseEvent)e).getY());
-      }
-
-      if (c instanceof JComponent) {
-        return Boolean.TRUE.equals(((JComponent)c).getClientProperty("isEditor"));
-      }
-
-      return false;
-    }
-  }
-
 }

platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorComponentImpl.java

@@ -44,7 +44,6 @@ public class EditorComponentImpl extends JComponent implements Scrollable, DataP
     enableInputMethods(true);
     setFocusCycleRoot(true);
     setOpaque(true);
-    putClientProperty("isEditor", Boolean.TRUE);
   }
 
   public EditorImpl getEditor() {