Wires up WorkspaceLayoutManager in mash

mash/wm/test/wm_test_helper.h

+// 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.
+
+#ifndef MASH_WM_TEST_WM_TEST_HELPER_H_
+#define MASH_WM_TEST_WM_TEST_HELPER_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "components/mus/public/cpp/tests/test_window_tree_connection_setup.h"
+#include "mash/wm/window_manager_application.h"
+
+namespace base {
+class MessageLoop;
+}
+
+namespace gfx {
+class Rect;
+}
+
+namespace mus {
+class Window;
+}
+
+namespace mash {
+namespace wm {
+
+class WmTestScreen;
+
+// WMTestHelper is responsible for configuring a WindowTreeConnection that
+// does not talk to mus. Additionally a test Screen (WmTestScreen) is created.
+class WmTestHelper {
+ public:
+  WmTestHelper();
+  ~WmTestHelper();
+
+  void Init();
+
+  WindowManagerApplication* window_manager_app() {
+    return &window_manager_app_;
+  }
+
+  WmTestScreen* screen() { return screen_; }
+
+ private:
+  std::unique_ptr<base::MessageLoop> message_loop_;
+  mus::TestWindowTreeConnectionSetup window_tree_connection_setup_;
+  WindowManagerApplication window_manager_app_;
+  WmTestScreen* screen_ = nullptr;  // Owned by |window_manager_app_|.
+
+  DISALLOW_COPY_AND_ASSIGN(WmTestHelper);
+};
+
+}  // namespace wm
+}  // namespace mash
+
+#endif  // MASH_WM_TEST_WM_TEST_HELPER_H_