Shuffles and renames ash/common/wm classes

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 <memory>
 
@@ skipping 49 matching lines @@
 class Shelf;
 class ShelfLayoutManager;
 class ShelfWidget;
 class StackingController;
 class StatusAreaWidget;
 class SystemBackgroundController;
 class SystemModalContainerLayoutManager;
 class SystemTray;
 class TouchHudDebug;
 class TouchHudProjection;
+class WmWindow;
 class WorkspaceController;
 
 #if defined(OS_CHROMEOS)
 class BootSplashScreen;
 class AshTouchExplorationManager;
 #endif
 
-namespace wm {
-class WmWindow;
-}
-
 // This class maintains the per root window state for ash. This class
 // 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 |WindowTreeHostManager|.
 // The RootWindowController for particular root window is stored in
 // its property (RootWindowSettings) and can be obtained using
 // |GetRootWindowController(aura::WindowEventDispatcher*)| function.
 //
 // NOTE: In classic ash there is one RootWindow per display, so every RootWindow
 // has a RootWindowController. In mus/mash there is one RootWindow per top-level
@@ skipping 233 matching lines @@
 
 // On classic ash, returns the RootWindowController for the given |root_window|.
 // On mus ash, returns the RootWindowController for the primary display.
 // See RootWindowController class comment above.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // namespace ash
 
 #endif  // ASH_ROOT_WINDOW_CONTROLLER_H_