Introdcue AshWindowTreeHost and move ash/chrome specific code in WTH to ash.

ash/root_window_controller.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_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
@@ skipping 29 matching lines @@
 class Widget;
 }
 
 namespace wm {
 class InputMethodEventFilter;
 class RootWindowEventFilter;
 class ScopedCaptureClient;
 }
 
 namespace ash {
+class AshWindowTreeHost;
 class AlwaysOnTopController;
 class AnimatingDesktopController;
 class DesktopBackgroundWidgetController;
 class DockedWindowLayoutManager;
 class PanelLayoutManager;
 class RootWindowLayoutManager;
 class ScreenDimmer;
 class ShelfLayoutManager;
 class ShelfWidget;
 class StackingController;
@@ skipping 13 matching lines @@
 // owns the root window and other dependent objects that should be
 // deleted upon the deletion of the root window. This object is
 // indirectly owned and deleted by |DisplayController|.
 // The RootWindowController for particular root window is stored in
 // its property (RootWindowSettings) and can be obtained using
 // |GetRootWindowController(aura::WindowEventDispatcher*)| function.
 class ASH_EXPORT RootWindowController : public ShellObserver {
  public:
 
   // Creates and Initialize the RootWindowController for primary display.
-  static void CreateForPrimaryDisplay(aura::WindowTreeHost* host);
+  static void CreateForPrimaryDisplay(AshWindowTreeHost* host);
 
   // Creates and Initialize the RootWindowController for secondary displays.
-  static void CreateForSecondaryDisplay(aura::WindowTreeHost* host);
+  static void CreateForSecondaryDisplay(AshWindowTreeHost* host);
 
   // Creates and Initialize the RootWindowController for virtual
   // keyboard displays.
-  static void CreateForVirtualKeyboardDisplay(aura::WindowTreeHost* host);
+  static void CreateForVirtualKeyboardDisplay(AshWindowTreeHost* host);
 
   // Returns a RootWindowController that has a shelf for given
   // |window|. This returns the RootWindowController for the |window|'s
   // root window when multiple shelf mode is enabled, or the primary
   // RootWindowController otherwise.
   static RootWindowController* ForShelf(aura::Window* window);
 
   // Returns a RootWindowController of the window's root window.
   static RootWindowController* ForWindow(const aura::Window* window);
 
   // Returns the RootWindowController of the target root window.
   static RootWindowController* ForTargetRootWindow();
 
   // Returns container which contains a given |window|.
   static aura::Window* GetContainerForWindow(aura::Window* window);
 
   virtual ~RootWindowController();
 
-  aura::Window* root_window() { return host_->window(); }
-  const aura::Window* root_window() const { return host_->window(); }
-  aura::WindowTreeHost* host() { return host_.get(); }
-  const aura::WindowTreeHost* host() const { return host_.get(); }
+  AshWindowTreeHost* ash_host() { return ash_host_.get(); }
+  const AshWindowTreeHost* ash_host() const { return ash_host_.get(); }
+
+  aura::WindowTreeHost* GetHost();
+  const aura::WindowTreeHost* GetHost() const;
+  aura::Window* GetRootWindow();
+  const aura::Window* GetRootWindow() const;
 
   RootWindowLayoutManager* root_window_layout() { return root_window_layout_; }
 
   WorkspaceController* workspace_controller() {
     return workspace_controller_.get();
   }
 
   AlwaysOnTopController* always_on_top_controller() {
     return always_on_top_controller_.get();
   }
@@ skipping 105 matching lines @@
   // Activate virtual keyboard on current root window controller.
   void ActivateKeyboard(keyboard::KeyboardController* keyboard_controller);
 
   // Deactivate virtual keyboard on current root window controller.
   void DeactivateKeyboard(keyboard::KeyboardController* keyboard_controller);
 
   // Tests if a window is associated with the virtual keyboard.
   bool IsVirtualKeyboardWindow(aura::Window* window);
 
  private:
-  explicit RootWindowController(aura::WindowTreeHost* host);
+  explicit RootWindowController(AshWindowTreeHost* host);
   enum RootWindowType {
     PRIMARY,
     SECONDARY,
     VIRTUAL_KEYBOARD
   };
 
   // Initializes the RootWindowController.  |is_primary| is true if
   // the controller is for primary display.  |first_run_after_boot| is
   // set to true only for primary root window after boot.
   void Init(RootWindowType root_window_type, bool first_run_after_boot);
@@ skipping 11 matching lines @@
   // Enables projection touch HUD.
   void EnableTouchHudProjection();
 
   // Disables projection touch HUD.
   void DisableTouchHudProjection();
 
   // Overridden from ShellObserver.
   virtual void OnLoginStateChanged(user::LoginStatus status) OVERRIDE;
   virtual void OnTouchHudProjectionToggled(bool enabled) OVERRIDE;
 
-  scoped_ptr<aura::WindowTreeHost> host_;
+  scoped_ptr<AshWindowTreeHost> ash_host_;
   RootWindowLayoutManager* root_window_layout_;
 
   scoped_ptr<StackingController> stacking_controller_;
 
   // The shelf for managing the shelf and the status widget.
   scoped_ptr<ShelfWidget> shelf_;
 
   // An invisible/empty window used as a event target for
   // |MouseCursorEventFilter| before a user logs in.
   // (crbug.com/266987)
@@ skipping 32 matching lines @@
 };
 
 
 // Gets the RootWindowController for |root_window|.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_