replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/power/peripheral_battery_observer.h

Index: chrome/browser/chromeos/power/peripheral_battery_observer.h
diff --git a/chrome/browser/chromeos/power/peripheral_battery_observer.h b/chrome/browser/chromeos/power/peripheral_battery_observer.h
index 0e958be13b1675c204be9a2d8e205d6ac695397c..189c13c7e04c5ede919952aeb8783bee260e6f55 100644
--- a/chrome/browser/chromeos/power/peripheral_battery_observer.h
+++ b/chrome/browser/chromeos/power/peripheral_battery_observer.h
@@ -36,13 +36,13 @@ class PeripheralBatteryObserver : public PowerManagerClient::Observer,
   // PowerManagerClient::Observer implementation.
   virtual void PeripheralBatteryStatusReceived(const std::string& path,
                                                const std::string& name,
-                                               int level) OVERRIDE;
+                                               int level) override;
 
   // device::BluetoothAdapter::Observer implementation.
   virtual void DeviceChanged(device::BluetoothAdapter* adapter,
-                             device::BluetoothDevice* device) OVERRIDE;
+                             device::BluetoothDevice* device) override;
   virtual void DeviceRemoved(device::BluetoothAdapter* adapter,
-                             device::BluetoothDevice* device) OVERRIDE;
+                             device::BluetoothDevice* device) override;
 
  private:
   friend class PeripheralBatteryObserverTest;