arc: Support window recreation.

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

 // Copyright 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/chrome_launcher_controller_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 1868 matching lines @@
 
   // Arc window created after and closed before mojom notification.
   std::string window_app_id2("org.chromium.arc.2");
   arc_test_.app_instance()->SendTaskCreated(2, arc_test_.fake_apps()[1]);
   EXPECT_EQ(0, launcher_controller_->GetShelfIDForAppID(arc_app_id2));
   arc_window = CreateArcWindow(window_app_id2);
   ASSERT_TRUE(arc_window);
   EXPECT_NE(0, launcher_controller_->GetShelfIDForAppID(arc_app_id2));
   arc_window->Close();
   base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(0, launcher_controller_->GetShelfIDForAppID(arc_app_id2));
+  // Closing window does not close shelf item. It is closed on task destroy.
+  EXPECT_NE(0, launcher_controller_->GetShelfIDForAppID(arc_app_id2));
   arc_test_.app_instance()->SendTaskDestroyed(2);
   EXPECT_EQ(0, launcher_controller_->GetShelfIDForAppID(arc_app_id2));
 }
 
+TEST_F(ChromeLauncherControllerImplTest, ArcWindowRecreation) {
+  arc_test_.SetUp(profile());
+  InitLauncherController();
+
+  const std::string arc_app_id = ArcAppTest::GetAppId(arc_test_.fake_apps()[0]);
+  SendListOfArcApps();
+
+  std::string window_app_id("org.chromium.arc.1");
+  views::Widget* arc_window = CreateArcWindow(window_app_id);
+  ASSERT_TRUE(arc_window);
+  arc_test_.app_instance()->SendTaskCreated(1, arc_test_.fake_apps()[0]);
+  const ash::ShelfID shelf_id =
+      launcher_controller_->GetShelfIDForAppID(arc_app_id);
+  EXPECT_NE(0, shelf_id);
+
+  for (int i = 0; i < 3; ++i) {
+    arc_window->Close();
+    base::RunLoop().RunUntilIdle();
+    EXPECT_EQ(shelf_id, launcher_controller_->GetShelfIDForAppID(arc_app_id));
+
+    arc_window = CreateArcWindow(window_app_id);
+    ASSERT_TRUE(arc_window);
+    base::RunLoop().RunUntilIdle();
+    EXPECT_EQ(shelf_id, launcher_controller_->GetShelfIDForAppID(arc_app_id));
+  }
+}
+
 // Validate that Arc app is pinned correctly and pin is removed automatically
 // once app is uninstalled.
 TEST_F(ChromeLauncherControllerImplTest, ArcAppPin) {
   arc_test_.SetUp(profile());
   InitLauncherController();
 
   const std::string arc_app_id = ArcAppTest::GetAppId(arc_test_.fake_apps()[0]);
 
   SendListOfArcApps();
   extension_service_->AddExtension(extension1_.get());
@@ skipping 1797 matching lines @@
   EXPECT_FALSE(controller->rotation_locked());
   EXPECT_EQ(display::Display::ROTATE_0,
             display::Screen::GetScreen()->GetPrimaryDisplay().rotation());
 
   NotifyOnTaskOrientationLockRequested(task_id_current_,
                                        OrientationLock::CURRENT);
   EXPECT_TRUE(controller->rotation_locked());
   EXPECT_EQ(display::Display::ROTATE_0,
             display::Screen::GetScreen()->GetPrimaryDisplay().rotation());
 }