feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/javax/swing/plaf/PopupMenuUI.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 1997, 2000, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.swing.plaf;
+
+import java.awt.event.MouseEvent;
+import javax.swing.Popup;
+import javax.swing.PopupFactory;
+import javax.swing.JPopupMenu;
+
+/**
+ * Pluggable look and feel interface for JPopupMenu.
+ *
+ * @author Georges Saab
+ * @author David Karlton
+ */
+
+public abstract class PopupMenuUI extends ComponentUI {
+    /**
+     * @since 1.3
+     */
+    public boolean isPopupTrigger(MouseEvent e) {
+        return e.isPopupTrigger();
+    }
+
+    /**
+     * Returns the <code>Popup</code> that will be responsible for
+     * displaying the <code>JPopupMenu</code>.
+     *
+     * @param popup JPopupMenu requesting Popup
+     * @param x     Screen x location Popup is to be shown at
+     * @param y     Screen y location Popup is to be shown at.
+     * @return Popup that will show the JPopupMenu
+     * @since 1.4
+     */
+    public Popup getPopup(JPopupMenu popup, int x, int y) {
+        PopupFactory popupFactory = PopupFactory.getSharedInstance();
+
+        return popupFactory.getPopup(popup.getInvoker(), popup, x, y);
+    }
+}