aura: Add X11 host window management.

ash/hostwm/host_window_container.h

Index: ash/hostwm/host_window_container.h
diff --git a/ash/hostwm/host_window_container.h b/ash/hostwm/host_window_container.h
new file mode 100644
index 0000000000000000000000000000000000000000..ddda2098fb7490b2bd6955e659d5016b73527d03
--- /dev/null
+++ b/ash/hostwm/host_window_container.h
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+// Copyright (c) 2012 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_HOSTWM_HOST_WINDOW_CONTAINER_H_
+#define ASH_HOSTWM_HOST_WINDOW_CONTAINER_H_
+
+#include "base/compiler_specific.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace ash {
+namespace internal {
+
+class HostWindowContainer: public views::WidgetDelegateView {
+ public:
+  static views::Widget* CreateHostWindowContainerWidget(
+      views::Widget* client_widget,
+      const gfx::Rect& bounds,
+      views::Widget::InitParams::Type type);
+
+  virtual ~HostWindowContainer();
+
+  // Overridden from views::View:
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void Layout() OVERRIDE;
+
+  // Overridden from views::WidgetDelegate:
+  virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual View* GetContentsView() OVERRIDE;
+  virtual bool CanResize() const OVERRIDE;
+  virtual bool CanMaximize() const OVERRIDE;
+  virtual void DeleteDelegate() OVERRIDE;
+
+private:
+  explicit HostWindowContainer(views::Widget* client_widget);
+
+  views::Widget* client_widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostWindowContainer);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_HOSTWM_HOST_WINDOW_CONTAINER_H_