mash: Migrate Shelf aura::Window uses to WmWindow.

ash/common/wm_shell.h

 // Copyright 2016 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_COMMON_WM_SHELL_H_
 #define ASH_COMMON_WM_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 265 matching lines @@
   // their original position.
   void OnMaximizeModeEnded();
 
   // Called when the overview mode is about to be started (before the windows
   // get re-arranged).
   virtual void OnOverviewModeStarting() = 0;
 
   // Called after overview mode has ended.
   virtual void OnOverviewModeEnded() = 0;
 
-  // Notifies observers after toggling fullscreen mode in |root_window|.
+  // Notify observers that fullscreen mode has changed for |root_window|.
   void NotifyFullscreenStateChanged(bool is_fullscreen, WmWindow* root_window);
 
-  // Notifies |observers_| when entering or exiting pinned mode for
-  // |pinned_window|. Entering or exiting can be checked by looking at
-  // |pinned_window|'s window state.
+  // Notify observers that |pinned_window| changed its pinned window state.
   void NotifyPinnedStateChanged(WmWindow* pinned_window);
 
-  // Called when virtual keyboard has been activated/deactivated.
-  void OnVirtualKeyboardActivated(bool activated);
+  // Notify observers that the virtual keyboard has been activated/deactivated.
+  void NotifyVirtualKeyboardActivated(bool activated);
+
+  // Notify observers that the shelf was created for |root_window|.
+  // TODO(jamescook): Move to Shelf.
+  void NotifyShelfCreatedForRootWindow(WmWindow* root_window);
+
+  // Notify observers that |root_window|'s shelf changed auto-hide alignment.
+  // TODO(jamescook): Move to Shelf.
+  void NotifyShelfAlignmentChanged(WmWindow* root_window);
+
+  // Notify observers that |root_window|'s shelf changed auto-hide behavior.
+  // TODO(jamescook): Move to Shelf.
+  void NotifyShelfAutoHideBehaviorChanged(WmWindow* root_window);
 
   virtual SessionStateDelegate* GetSessionStateDelegate() = 0;
 
   virtual void AddActivationObserver(WmActivationObserver* observer) = 0;
   virtual void RemoveActivationObserver(WmActivationObserver* observer) = 0;
 
   virtual void AddDisplayObserver(WmDisplayObserver* observer) = 0;
   virtual void RemoveDisplayObserver(WmDisplayObserver* observer) = 0;
 
   void AddShellObserver(ShellObserver* observer);
@@ skipping 93 matching lines @@
   bool simulate_modal_window_open_for_testing_ = false;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
 #endif
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_SHELL_H_