chromeos: Move files in //ash/common to //ash, part 2

ash/common/wm/container_finder_unittest.cc

-// Copyright 2016 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 "ash/common/wm/container_finder.h"
-
-#include <memory>
-
-#include "ash/common/test/ash_test.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-using ContainerFinderTest = AshTest;
-
-TEST_F(ContainerFinderTest, GetContainerForWindow) {
-  // Create a normal widget in the default container.
-  std::unique_ptr<views::Widget> widget =
-      CreateTestWidget(gfx::Rect(1, 2, 3, 4));
-  WmWindow* window = WmWindow::Get(widget->GetNativeWindow());
-
-  // The window itself is not a container.
-  EXPECT_EQ(kShellWindowId_Invalid, window->GetShellWindowId());
-
-  // Container lookup finds the default container.
-  WmWindow* container = wm::GetContainerForWindow(window);
-  ASSERT_TRUE(container);
-  EXPECT_EQ(kShellWindowId_DefaultContainer, container->GetShellWindowId());
-}
-
-}  // namespace ash