modules/graphics/src/main/java/com/sun/javafx/css/StyleManager.java

*** 23,32 ****
--- 23,33 ----
   * questions.
   */
  
  package com.sun.javafx.css;
  
+ import javafx.application.Application;
  import javafx.css.Styleable;
  import java.io.FileNotFoundException;
  import java.io.FilePermission;
  import java.io.IOException;
  import java.io.InputStream;
*** 1270,1279 ****
--- 1271,1315 ----
          CssError.setCurrentScene(null);
  
      }
      
      /**
+      * Removes the specified stylesheet from the application default user agent
+      * stylesheet list.
+      * @param url  The file URL, either relative or absolute, as a String.
+      */
+     public void removeUserAgentStylesheet(String url) {
+         if (url == null ) {
+             throw new IllegalArgumentException("null arg url");
+         }
+  
+         final String fname = url.trim();
+         if (fname.isEmpty()) {
+             return;
+         }
+  
+         // if we already have this stylesheet, remove it!
+         boolean removed = false;
+         for (int n = platformUserAgentStylesheetContainers.size() - 1; n >= 0; n--) {
+             // don't remove the platform default user agent stylesheet
+             if (fname.equals(Application.getUserAgentStylesheet())) {
+                 continue;
+             }
+  
+             StylesheetContainer container = platformUserAgentStylesheetContainers.get(n);
+             if (fname.equals(container.fname)) {
+                 platformUserAgentStylesheetContainers.remove(n);
+                 removed = true;
+             }
+         }
+  
+         if (removed) {
+             userAgentStylesheetsChanged();
+         }
+     }
+ 
+     /**
       * Set the user agent stylesheet. This is the base default stylesheet for
       * the platform
       */
      public void setDefaultUserAgentStylesheet(Stylesheet ua_stylesheet) {