chromeos: Implement power button animations for Aura.

chrome/browser/chromeos/dbus/power_manager_client.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 CHROME_BROWSER_CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_
 #define CHROME_BROWSER_CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 
+namespace base {
+class TimeTicks;
+}
 namespace dbus {
 class Bus;
-}  // namespace
+}
 
 namespace chromeos {
 
 // This is the local struct that is used in Chrome.
 struct PowerSupplyStatus {
   bool line_power_on;
 
   bool battery_is_present;
   bool battery_is_full;
 
@@ skipping 24 matching lines @@
     // |user_initiated| is true if the action is initiated by the user.
     virtual void BrightnessChanged(int level, bool user_initiated) {}
 
     // Called when power supply polling takes place.  |status| is a data
     // structure that contains the current state of the power supply.
     virtual void PowerChanged(const PowerSupplyStatus& status) {}
 
     // Called when the system resumes from suspend.
     virtual void SystemResumed() {}
 
+    // Called when the power button is pressed or released.
+    virtual void PowerButtonStateChanged(bool down,
+                                         const base::TimeTicks& timestamp) {}
+
+    // Called when the lock button is pressed or released.
+    virtual void LockButtonStateChanged(bool down,
+                                        const base::TimeTicks& timestamp) {}
+
     // Called when the screen is locked.
     virtual void LockScreen() {}
 
     // Called when the screen is unlocked.
     virtual void UnlockScreen() {}
 
     // Called when the screen fails to unlock.
     virtual void UnlockScreenFailed() {}
   };
 
@@ skipping 44 matching lines @@
   // Create() should be used instead.
   PowerManagerClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PowerManagerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_