--- old/src/java.desktop/windows/classes/sun/awt/windows/WDialogPeer.java	2016-05-17 16:12:39.805803000 +0530
+++ new/src/java.desktop/windows/classes/sun/awt/windows/WDialogPeer.java	2016-05-17 16:12:39.593696999 +0530
@@ -37,10 +37,6 @@
     // target has none explicitly specified.
     static final Color defaultBackground =  SystemColor.control;
 
-    // If target doesn't have its background color set, we set its
-    // background to platform default.
-    boolean needDefaultBackground;
-
     WDialogPeer(Dialog target) {
         super(target);
 
@@ -67,7 +63,7 @@
         Dialog target = (Dialog)this.target;
         // Need to set target's background to default _before_ a call
         // to super.initialize.
-        if (needDefaultBackground) {
+        if (!target.isBackgroundSet()) {
             target.setBackground(defaultBackground);
         }
 
@@ -132,20 +128,7 @@
             reshapeFrame(x, y, width, height);
         }
     }
-
-    /* Native create() peeks at target's background and if it's null
-     * calls this method to arrage for default background to be set on
-     * target.  Can't make the check in Java, since getBackground will
-     * return owner's background if target has none set.
-     */
-    private void setDefaultColor() {
-        // Can't call target.setBackground directly, since we are
-        // called on toolkit thread.  Can't schedule a Runnable on the
-        // EventHandlerThread because of the race condition.  So just
-        // set a flag and call target.setBackground in initialize.
-        needDefaultBackground = true;
-    }
-
+   
     native void pSetIMMOption(String option);
     void notifyIMMOptionChange(){
       InputMethodManager.getInstance().notifyChangeRequest((Component)target);