aura: Add X11 host window management.

ash/shell.h

 // 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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <utility>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/system/user/login_status.h"
 #include "ash/wm/shelf_types.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "ui/aura/cursor_delegate.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/size.h"
 
 class CommandLine;
 
 namespace aura {
 class EventFilter;
 class FocusManager;
+#if defined(USE_X11)
+class HostWindowManagerX11;
+#endif
 class RootWindow;
 class Window;
 namespace client {
 class UserActionClient;
 }
 namespace shared {
 class CompoundEventFilter;
 class InputMethodEventFilter;
 }
 }
@@ skipping 36 matching lines @@
 class WindowCycleController;
 
 namespace internal {
 class AcceleratorFilter;
 class ActivationController;
 class AppListController;
 class CaptureController;
 class DragDropController;
 class EventRewriterEventFilter;
 class FocusCycler;
+class HostWindowManager;
 class MagnificationController;
 class DisplayController;
 class MouseCursorEventFilter;
 class PanelLayoutManager;
 class PartialScreenshotEventFilter;
 class ResizeShadowController;
 class RootWindowController;
 class RootWindowLayoutManager;
 class ShadowController;
 class ShelfLayoutManager;
@@ skipping 290 matching lines @@
   virtual void ShowCursor(bool visible) OVERRIDE;
 
   static Shell* instance_;
 
   // If set before the Shell is initialized, the mouse cursor will be hidden
   // when the screen is initially created.
   static bool initially_hide_cursor_;
 
   ScreenAsh* screen_;
 
+  scoped_ptr<internal::HostWindowManager> host_window_manager_;
+#if defined(USE_X11)
+  scoped_ptr<aura::HostWindowManagerX11> x11_host_window_manager_;
+#endif
+
   // Active root window. Never become NULL.
   aura::RootWindow* active_root_window_;
 
   // The CompoundEventFilter owned by aura::Env object.
   aura::shared::CompoundEventFilter* env_filter_;
 
   std::vector<WindowAndBoundsPair> to_restore_;
 
 #if !defined(OS_MACOSX)
   scoped_ptr<NestedDispatcherController> nested_dispatcher_controller_;
@@ skipping 77 matching lines @@
 
   // Used by ash/shell.
   content::BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_