Rework ash::CursorManager into a corewm object, to share code with desktop.

ui/views/widget/desktop_aura/desktop_root_window_host_linux.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_LINUX_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_LINUX_H_
 
 #include <X11/Xlib.h>
 
 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
@@ skipping 12 matching lines @@
 namespace aura {
 namespace client {
 class DefaultCaptureClient;
 class FocusClient;
 class ScreenPositionClient;
 }
 }
 
 namespace views {
 class DesktopActivationClient;
-class DesktopCursorClient;
 class DesktopDispatcherClient;
 class X11DesktopWindowMoveClient;
 class X11WindowEventFilter;
 
+namespace corewm {
+class CursorManager;
+}
+
 class VIEWS_EXPORT DesktopRootWindowHostLinux
     : public DesktopRootWindowHost,
       public aura::RootWindowHost,
       public MessageLoop::Dispatcher {
  public:
   DesktopRootWindowHostLinux(
       internal::NativeWidgetDelegate* native_widget_delegate,
       DesktopNativeWidgetAura* desktop_native_widget_aura,
       const gfx::Rect& initial_bounds);
   virtual ~DesktopRootWindowHostLinux();
@@ skipping 147 matching lines @@
   // The window manager state bits.
   std::set< ::Atom> window_properties_;
 
   // We are owned by the RootWindow, but we have to have a back pointer to it.
   aura::RootWindow* root_window_;
 
   // aura:: objects that we own.
   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
   scoped_ptr<DesktopActivationClient> activation_client_;
-  scoped_ptr<DesktopCursorClient> cursor_client_;
+  scoped_ptr<views::corewm::CursorManager> cursor_client_;
   scoped_ptr<DesktopDispatcherClient> dispatcher_client_;
   scoped_ptr<aura::client::ScreenPositionClient> position_client_;
 
   // Current Aura cursor.
   gfx::NativeCursor current_cursor_;
 
   // The invisible cursor.
   ::Cursor invisible_cursor_;
 
   scoped_ptr<X11WindowEventFilter> x11_window_event_filter_;
@@ skipping 14 matching lines @@
   // can notify widgets when they have lost capture, which controls a bunch of
   // things in views like hiding menus.
   static DesktopRootWindowHostLinux* g_current_capture;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostLinux);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_LINUX_H_