Creates RootWindowControllerCommon

ash/root_window_controller_common.h

Index: ash/root_window_controller_common.h
diff --git a/ash/root_window_controller_common.h b/ash/root_window_controller_common.h
new file mode 100644
index 0000000000000000000000000000000000000000..4a0b8b40e188659132f42a1c27ef8e7f42ef829f
--- /dev/null
+++ b/ash/root_window_controller_common.h
@@ -0,0 +1,34 @@
+// 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 ASH_ROOT_WINDOW_CONTROLLER_COMMON_H_
+#define ASH_ROOT_WINDOW_CONTROLLER_COMMON_H_
+
+#include "base/macros.h"
+
+namespace ash {
+namespace wm {
+class WmWindow;
+}
+
+// This will eventually become what is RootWindowController. During the
+// transition it contains code used by both the aura and mus implementations.
+// It should *not* contain any aura specific code.
+class RootWindowControllerCommon {
+ public:
+  explicit RootWindowControllerCommon(wm::WmWindow* root);
+  ~RootWindowControllerCommon();
+
+  // Creates the containers (WmWindows) used by the shell.
+  void CreateContainers();
+
+ private:
+  wm::WmWindow* root_;
+
+  DISALLOW_COPY_AND_ASSIGN(RootWindowControllerCommon);
+};
+
+}  // namespace ash
+
+#endif  // ASH_ROOT_WINDOW_CONTROLLER_COMMON_H_