[Ozone] Constrain the cursor when overscan insets are set

ui/platform_window/x11/x11_window.cc

Index: ui/platform_window/x11/x11_window.cc
diff --git a/ui/platform_window/x11/x11_window.cc b/ui/platform_window/x11/x11_window.cc
index c2706542f4df23d703c8dc67944a3d8ea8daa94f..14e6fdf0b282421af5e88e7bf8c6c27032543337 100644
--- a/ui/platform_window/x11/x11_window.cc
+++ b/ui/platform_window/x11/x11_window.cc
@@ -251,6 +251,9 @@ void X11Window::SetCursor(PlatformCursor cursor) {}
 
 void X11Window::MoveCursorTo(const gfx::Point& location) {}
 
+void X11Window::ConfineCursorToBounds(const gfx::Rect& bounds) {
+}
+
 bool X11Window::CanDispatchEvent(const PlatformEvent& event) {
   return FindXEventTarget(event) == xwindow_;
 }