Makes windowmanager draw non-client area

ui/views/mus/window_manager_client_area_insets.h

Index: ui/views/mus/window_manager_client_area_insets.h
diff --git a/ui/views/mus/window_manager_client_area_insets.h b/ui/views/mus/window_manager_client_area_insets.h
new file mode 100644
index 0000000000000000000000000000000000000000..20a27f642db9cf8be1b925bf8611dab89aeed170
--- /dev/null
+++ b/ui/views/mus/window_manager_client_area_insets.h
@@ -0,0 +1,19 @@
+// Copyright 2015 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 UI_VIEWS_MUS_WINDOW_MANAGER_CLIENT_AREA_INSETS_H_
+#define UI_VIEWS_MUS_WINDOW_MANAGER_CLIENT_AREA_INSETS_H_
+
+#include "ui/gfx/geometry/insets.h"
+
+namespace views {
+
+struct WindowManagerClientAreaInsets {
+  gfx::Insets normal_insets;
+  gfx::Insets maximized_insets;
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_MUS_WINDOW_MANAGER_CLIENT_AREA_INSETS_H_