--- a/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m	Wed Dec 20 18:08:44 2017 +0530
+++ b/src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m	Fri Dec 22 11:00:06 2017 +0530
@@ -954,11 +954,6 @@
     return lastKeyWindow;
 }
 
-- (BOOL)windowShouldZoom:(NSWindow *)window toFrame:(NSRect)newFrame {
-    return !NSEqualSizes(self.nsWindow.frame.size, newFrame.size);
-}
-
-
 @end // AWTWindow
 
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/Window/WindowResizing/DoubleClickTitleBarTest.java	Fri Dec 22 11:00:06 2017 +0530
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2017, 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.
+ *
+ * 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.
+ */
+
+/*
+ * @test
+ * @key headful
+ * @bug 8190192
+ * @requires os.family=="mac"
+ * @summary Double click on the title bar no longer repositions the window
+ * @run main DoubleClickTitleBarTest
+ */
+
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+import java.awt.Robot;
+import java.awt.Point;
+import java.awt.event.InputEvent;
+import java.awt.AWTException;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowStateListener;
+
+public class DoubleClickTitleBarTest {
+    private static Point position = null;
+    private static JFrame frame = null;
+    private static boolean windowMinimizedState = false, windowMaximizedState = false;
+    //offset from top left to some place on title bar
+    final private static int X_OFFSET = 100, Y_OFFSET = 7;
+
+    public static void main(String[] args) throws Exception {
+        try {
+            SwingUtilities.invokeAndWait(new Runnable() {
+                @Override
+                public void run() {
+                    doTest();
+                }
+            });
+
+            Robot robot = new Robot();
+            robot.delay(500);
+
+            SwingUtilities.invokeAndWait(new Runnable() {
+                @Override
+                public void run() {
+                    position = frame.getLocationOnScreen();
+                }
+            });
+
+            //offset from the top left
+            robot.mouseMove(position.x + X_OFFSET,
+                                position.y + Y_OFFSET);
+
+            //do resize
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mouseMove(frame.getLocationOnScreen().x + 200,
+                                frame.getLocationOnScreen().y + 200);
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+            robot.delay(500);
+
+            SwingUtilities.invokeAndWait(new Runnable() {
+                @Override
+                public void run() {
+                    position = frame.getLocationOnScreen();
+                }
+            });
+
+            //after resize, do offset from top left
+            robot.mouseMove(position.x + X_OFFSET,
+                                position.y + Y_OFFSET);
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+            //wait till maximizing the window
+            robot.delay(1000);
+
+            if(!(windowMinimizedState && windowMaximizedState)) {
+                throw new RuntimeException("Test failed:");
+            }
+        } finally {
+            if(frame != null) {
+                frame.dispose();
+            }
+        }
+    }
+
+    private static void doTest() {
+        frame = new JFrame();
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.pack();
+
+        WindowStateListener listener = new WindowAdapter() {
+            public void windowStateChanged(WindowEvent evt) {
+                int oldState = evt.getOldState();
+                int newState = evt.getNewState();
+
+                if((oldState & JFrame.MAXIMIZED_BOTH) != 0 &&
+                    (newState & JFrame.MAXIMIZED_BOTH) == 0) {
+                    windowMinimizedState = true;
+                }
+                else if(windowMinimizedState &&
+                         (oldState & JFrame.MAXIMIZED_BOTH) == 0 &&
+                         (newState & JFrame.MAXIMIZED_BOTH) != 0) {
+                    windowMaximizedState = true;
+                }
+            }
+        };
+
+        frame.addWindowStateListener(listener);
+        frame.setSize(200, 200);
+        frame.setLocation(100, 100);
+        frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
+        frame.setResizable(true);
+        frame.setVisible(true);
+    }
+}
+