arc: Fix crash on Arc window close.

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

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 
 #include "ash/common/shelf/shelf_item_types.h"
 #include "ash/common/wm_root_window_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/macros.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_test.h"
 #include "chrome/browser/ui/ash/launcher/arc_launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 #include "chrome/browser/ui/ash/launcher/desktop_shell_launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/extension_launcher_context_menu.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/arc/test/fake_app_instance.h"
+#include "components/exo/shell_surface.h"
 #include "components/prefs/pref_service.h"
 #include "ui/aura/window_event_dispatcher.h"
+#include "ui/views/widget/widget.h"
 
 class LauncherContextMenuTest : public ash::test::AshTestBase {
  protected:
   static bool IsItemPresentInMenu(LauncherContextMenu* menu, int command_id) {
     return menu->GetIndexOfCommandId(command_id) != -1;
   }
 
   LauncherContextMenuTest() : profile_(new TestingProfile()) {}
 
   void SetUp() override {
@@ skipping 22 matching lines @@
     item.id = 1;  // dummy id
     item.type = shelf_item_type;
     return LauncherContextMenu::Create(controller_.get(), &item, GetWmShelf());
   }
 
   LauncherContextMenu* CreateLauncherContextMenuForDesktopShell() {
     ash::ShelfItem* item = nullptr;
     return LauncherContextMenu::Create(controller_.get(), item, GetWmShelf());
   }
 
+  // Creates app window and set optional Arc application id.
+  views::Widget* CreateArcWindow(std::string& window_app_id) {
+    views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
+    views::Widget* widget = new views::Widget();
+    widget->Init(params);
+    widget->Show();
+    widget->Activate();
+    exo::ShellSurface::SetApplicationId(widget->GetNativeWindow(),
+                                        &window_app_id);
+    return widget;
+  }
+
   ArcAppTest& arc_test() { return arc_test_; }
 
   Profile* profile() { return profile_.get(); }
 
   ChromeLauncherControllerImpl* controller() { return controller_.get(); }
 
  private:
   std::unique_ptr<TestingProfile> profile_;
   std::unique_ptr<ChromeLauncherControllerImpl> controller_;
   ArcAppTest arc_test_;
@@ skipping 108 matching lines @@
   EXPECT_TRUE(
       menu->IsCommandIdEnabled(LauncherContextMenu::MENU_ALIGNMENT_MENU));
   // By default, screen is not locked and ChangeWallPaper item is added in
   // menu. ChangeWallPaper item is not enabled in default mode.
   EXPECT_TRUE(IsItemPresentInMenu(menu.get(),
                                   LauncherContextMenu::MENU_CHANGE_WALLPAPER));
   EXPECT_FALSE(
       menu->IsCommandIdEnabled(LauncherContextMenu::MENU_CHANGE_WALLPAPER));
 
   // Arc app is running.
+  std::string window_app_id1("org.chromium.arc.1");
+  CreateArcWindow(window_app_id1);
   arc_test().app_instance()->SendTaskCreated(1, arc_test().fake_apps()[0]);
   menu.reset(new ArcLauncherContextMenu(controller(), &item, wm_shelf));
 
   EXPECT_FALSE(
       IsItemPresentInMenu(menu.get(), LauncherContextMenu::MENU_OPEN_NEW));
   EXPECT_TRUE(IsItemPresentInMenu(menu.get(), LauncherContextMenu::MENU_PIN));
   EXPECT_TRUE(menu->IsCommandIdEnabled(LauncherContextMenu::MENU_PIN));
   EXPECT_TRUE(IsItemPresentInMenu(menu.get(), LauncherContextMenu::MENU_CLOSE));
   EXPECT_TRUE(menu->IsCommandIdEnabled(LauncherContextMenu::MENU_CLOSE));
 }