[Ozone] Constrain the cursor when overscan insets are set

ui/platform_window/win/win_window.cc

Index: ui/platform_window/win/win_window.cc
diff --git a/ui/platform_window/win/win_window.cc b/ui/platform_window/win/win_window.cc
index f3402c3b949d5257d0edab115b134ee6d8c8f428..9bc8892e5018bb9961ebe2c6636e3f408f1fca99 100644
--- a/ui/platform_window/win/win_window.cc
+++ b/ui/platform_window/win/win_window.cc
@@ -107,6 +107,9 @@ void WinWindow::SetCursor(PlatformCursor cursor) {}
 
 void WinWindow::MoveCursorTo(const gfx::Point& location) {}
 
+void WinWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {
+}
+
 LRESULT WinWindow::OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(