8201538: Remove implementation support for applets from JavaFX

Reviewed-by: mstrauss, aghaisas, jvos

Author: kevinrushforth

modules/javafx.graphics/src/main/java/com/sun/glass/events/mac/NpapiEvent.java

@@ -583,8 +583,6 @@ public final Window createWindow(Screen screen, int styleMask) {
         return createWindow(null, screen, styleMask);
     }
 
-    public abstract Window createWindow(long parent);
-
     public abstract View createView();
 
     public abstract Cursor createCursor(int type);

modules/javafx.graphics/src/main/java/com/sun/glass/ui/Application.java

@@ -453,27 +453,21 @@ public long getNativeView() {
         return _getNativeView(this.ptr);
     }
 
-    /** Only used on Mac when run inside a plugin */
-    public int getNativeRemoteLayerId(String serverName) {
-        Application.checkEventThread();
-        throw new RuntimeException("This operation is not supported on this platform");
-    }
-
     public Window getWindow() {
         Application.checkEventThread();
         return this.window;
     }
 
     protected abstract int _getX(long ptr);
-    /** X coordinate relative to the host (window or applet). */
+    /** X coordinate relative to the host (window). */
     public int getX() {
         Application.checkEventThread();
         checkNotClosed();
         return _getX(this.ptr);
     }
 
     protected abstract int _getY(long ptr);
-    /** Y coordinate relative to the host (window or applet). */
+    /** Y coordinate relative to the host (window). */
     public int getY() {
         Application.checkEventThread();
         checkNotClosed();