Rename SessionStateController -> LockStateController

ash/wm/power_button_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_WM_POWER_BUTTON_CONTROLLER_H_
 #define ASH_WM_POWER_BUTTON_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/session_state_animator.h"
 #include "base/basictypes.h"
 
 namespace gfx {
 class Rect;
 class Size;
 }
 
 namespace ui {
 class Layer;
 }
 
 namespace ash {
 
 namespace test {
 class PowerButtonControllerTest;
 }
 
-class SessionStateController;
+class LockStateController;
 
 // Displays onscreen animations and locks or suspends the system in response to
 // the power button being pressed or released.
 class ASH_EXPORT PowerButtonController {
  public:
 
-  explicit PowerButtonController(SessionStateController* controller);
+  explicit PowerButtonController(LockStateController* controller);
   virtual ~PowerButtonController();
 
   void set_has_legacy_power_button_for_test(bool legacy) {
     has_legacy_power_button_ = legacy;
   }
 
   // Called when the current screen brightness changes.
   void OnScreenBrightnessChanged(double percent);
 
   // Called when the power or lock buttons are pressed or released.
   void OnPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
   void OnLockButtonEvent(bool down, const base::TimeTicks& timestamp);
 
  private:
   friend class test::PowerButtonControllerTest;
 
   // Are the power or lock buttons currently held?
   bool power_button_down_;
   bool lock_button_down_;
 
   // Is the screen currently turned off?
   bool screen_is_off_;
 
   // Was a command-line switch set telling us that we're running on hardware
   // that misreports power button releases?
   bool has_legacy_power_button_;
 
-  SessionStateController* controller_; // Not owned.
+  LockStateController* controller_; // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(PowerButtonController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_POWER_BUTTON_CONTROLLER_H_