ARC: Show window title in launcher menu instead of app title

chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc

Index: chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc
index 474953ffa86ddf6a8ef7a2e6c93c129131a66ccc..1ed66e16908e7454429df9c17f1fca860ad2fc1c 100644
--- a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc
+++ b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.cc
@@ -133,7 +133,9 @@ class ArcAppWindowLauncherController::AppWindow : public ui::BaseWindow {
     return false;
   }
 
-  gfx::NativeWindow GetNativeWindow() const override { return nullptr; }
+  gfx::NativeWindow GetNativeWindow() const override {
+    return widget_ ? widget_->GetNativeWindow() : nullptr;
+  }
 
   gfx::Rect GetRestoredBounds() const override {
     NOTREACHED();