diff --git a/src/share/classes/sun/swing/plaf/GTKKeybindings.java b/src/share/classes/sun/swing/plaf/GTKKeybindings.java
index 3701d86ccd51a4da155b9537302e1563b182e1c3..a4c08df23a2e1515678b16d9f440837cc7c5c01e 100644
--- a/src/share/classes/sun/swing/plaf/GTKKeybindings.java
+++ b/src/share/classes/sun/swing/plaf/GTKKeybindings.java
@@ -402,6 +402,11 @@ public class GTKKeybindings {
                         "released SPACE", "released",
                         "RETURN", "pressed"
                 }),
+                "RootPane.ancestorInputMap",
+                new UIDefaults.LazyInputMap(new Object[]{
+                        "shift F10", "postPopup",
+                        "CONTEXT_MENU", "postPopup"
+                }),
                 // These bindings are only enabled when there is a default
                 // button set on the rootpane.
                 "RootPane.defaultButtonWindowKeyBindings", new Object[]{
diff --git a/src/share/classes/sun/swing/plaf/WindowsKeybindings.java b/src/share/classes/sun/swing/plaf/WindowsKeybindings.java
index 48f93e78762dcdac42f526623b55c455ef728c96..37c74434755f5e09c51f808ee40b8193ade93ff6 100644
--- a/src/share/classes/sun/swing/plaf/WindowsKeybindings.java
+++ b/src/share/classes/sun/swing/plaf/WindowsKeybindings.java
@@ -360,6 +360,11 @@ public class WindowsKeybindings {
                         "DOWN", "decrement",
                         "KP_DOWN", "decrement",
                 }),
+                "RootPane.ancestorInputMap",
+                new UIDefaults.LazyInputMap(new Object[]{
+                        "shift F10", "postPopup",
+                        "CONTEXT_MENU", "postPopup"
+                }),
                 // These bindings are only enabled when there is a default
                 // button set on the rootpane.
                 "RootPane.defaultButtonWindowKeyBindings", new Object[]{