--- old/src/java.desktop/share/classes/java/awt/peer/TaskbarPeer.java	2017-03-14 14:55:18.000000000 +0300
+++ new/src/java.desktop/share/classes/java/awt/peer/TaskbarPeer.java	2017-03-14 14:55:18.000000000 +0300
@@ -25,12 +25,12 @@
 
 package java.awt.peer;
 
+import java.awt.Frame;
 import java.awt.Image;
 import java.awt.PopupMenu;
 import java.awt.Taskbar;
 import java.awt.Taskbar.Feature;
 import java.awt.Taskbar.State;
-import java.awt.Window;
 
 
 /**
@@ -53,7 +53,7 @@
      *
      * @param w window
      */
-    default void requestWindowUserAttention(Window w) {}
+    default void requestWindowUserAttention(Frame w) {}
 
     /**
      * Attaches the contents of the provided PopupMenu to the application icon
@@ -99,7 +99,7 @@
      * @param w window to update
      * @param badge image to affix to the icon
      */
-    default void setWindowIconBadge(Window w, final Image badge) {}
+    default void setWindowIconBadge(Frame w, final Image badge) {}
 
     /**
      * Displays progress for specified window.
@@ -107,7 +107,7 @@
      * @param w window to update
      * @param value from 0 to 100, other to disable progress indication
      */
-    default void setWindowProgressValue(Window w, int value) {}
+    default void setWindowProgressValue(Frame w, int value) {}
 
     /**
      * Sets a progress state for a specified window.
@@ -116,7 +116,7 @@
      * @param state to change to
      * @see Taskbar#setWindowProgressState
      */
-    default void setWindowProgressState(Window w, State state) {}
+    default void setWindowProgressState(Frame w, State state) {}
 
     /**
      * Affixes a small system-provided progress bar to this application's icon.