Fixing problem with edge swipe exiting immersive mode

chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc

Index: chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc
diff --git a/chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc b/chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc
index d7f12d2ab7e6702417bd13ec0e29bedda2709320..a3060c8bb705b762c5b86286aef4853083512e33 100644
--- a/chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc
+++ b/chrome/browser/ui/views/frame/immersive_mode_controller_ash.cc
@@ -66,6 +66,12 @@ void ImmersiveModeControllerAsh::SetEnabled(bool enabled) {
   if (controller_->IsEnabled() == enabled)
     return;
 
+  if (!browser_view_->browser()->is_app()) {
+    // Mark a browser window as an immersive mode window so that the
+    // window manager can treat it accordingly.
+    ash::wm::GetWindowState(native_window_)->set_immersive_mode(enabled);
+  }
+
   EnableWindowObservers(enabled);
 
   controller_->SetEnabled(browser_view_->browser()->is_app() ?