Add lock pod animation on unlock.

ash/wm/session_state_controller_impl2.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_WM_SESSION_STATE_CONTROLLER_IMPL2_H_
 #define ASH_WM_SESSION_STATE_CONTROLLER_IMPL2_H_
 
 #include "ash/ash_export.h"
 #include "ash/shell_observer.h"
 #include "ash/wm/session_state_animator.h"
@@ skipping 78 matching lines @@
 
   // RootWindowObserver override:
   virtual void OnRootWindowHostCloseRequested(
      const aura::RootWindow* root) OVERRIDE;
 
   // ShellObserver overrides:
   virtual void OnLoginStateChanged(user::LoginStatus status) OVERRIDE;
   virtual void OnAppTerminating() OVERRIDE;
   virtual void OnLockStateChanged(bool locked) OVERRIDE;
 
-  // Returns true iff when we're in state when user session can be locked.
+  // SessionStateController overrides:
   virtual bool IsEligibleForLock() OVERRIDE;
-
-  // Returns true if system is locked.
   virtual bool IsLocked() OVERRIDE;
-
-  // Starts locking (with slow animation) that can be cancelled.
-  // After locking and |kLockToShutdownTimeoutMs| StartShutdownAnimation()
-  // will be called unless CancelShutdownAnimation() is called, if
-  // shutdown_after_lock is true.
   virtual void StartLockAnimation(bool shutdown_after_lock) OVERRIDE;
 
-  // Starts shutting down (with slow animation) that can be cancelled.
   virtual void StartShutdownAnimation() OVERRIDE;
-
-  // Starts usual lock animation, but locks immediately.
-  // Unlike StartLockAnimation it does no lead to StartShutdownAnimation.
   virtual void StartLockAnimationAndLockImmediately() OVERRIDE;
 
-  // Returns true if we have requested system to lock, but haven't received
-  // confirmation yet.
   virtual bool LockRequested() OVERRIDE;
-
-  // Returns true if we are shutting down.
   virtual bool ShutdownRequested() OVERRIDE;
 
-  // Returns true if we are within cancellable lock timeframe.
   virtual bool CanCancelLockAnimation() OVERRIDE;
-
-  // Cancels locking and reverts lock animation.
   virtual void CancelLockAnimation() OVERRIDE;
 
-  // Returns true if we are within cancellable shutdown timeframe.
   virtual bool CanCancelShutdownAnimation() OVERRIDE;
-
-  // Cancels shutting down and reverts shutdown animation.
   virtual void CancelShutdownAnimation() OVERRIDE;
 
-  // Called when Chrome gets a request to display the lock screen.
   virtual void OnStartingLock() OVERRIDE;
+  virtual void RequestShutdown() OVERRIDE;
 
-  // Displays the shutdown animation and requests shutdown when it's done.
-  virtual void RequestShutdown() OVERRIDE;
+  virtual void OnLockScreenHide(base::Callback<void(void)>& callback) OVERRIDE;
 
  protected:
   friend class test::PowerButtonControllerTest;
 
   bool IsLoggedInAsNonGuest() const;
 
  private:
   void RequestShutdownImpl();
 
   // Starts lock timer.
@@ skipping 58 matching lines @@
   // request shutdown.  Gives the animation time to complete before Chrome, X,
   // etc. are shut down.
   base::OneShotTimer<SessionStateControllerImpl2> real_shutdown_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionStateControllerImpl2);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_SESSION_STATE_CONTROLLER_IMPL2_H_