Remove outdated devices from Android device chooser

device/bluetooth/bluetooth_classic_device_mac.mm

 // Copyright 2013 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.
 
 #include "device/bluetooth/bluetooth_classic_device_mac.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/hash.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/time/time.h"
 #include "device/bluetooth/bluetooth_socket_mac.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 
 // Undocumented API for accessing the Bluetooth transmit power level.
 // Similar to the API defined here [ http://goo.gl/20Q5vE ].
 @interface IOBluetoothHostController (UndocumentedAPI)
 - (IOReturn)
     BluetoothHCIReadTransmitPowerLevel:(BluetoothConnectionHandle)connection
                                 inType:(BluetoothHCITransmitPowerLevelType)type
                  outTransmitPowerLevel:(BluetoothHCITransmitPowerLevel*)level;
@@ skipping 219 matching lines @@
   error_callback.Run(kApiUnavailable);
 }
 
 void BluetoothClassicDeviceMac::CreateGattConnection(
     const GattConnectionCallback& callback,
     const ConnectErrorCallback& error_callback) {
   // TODO(armansito): Implement.
   error_callback.Run(ERROR_UNSUPPORTED_DEVICE);
 }
 
-NSDate* BluetoothClassicDeviceMac::GetLastUpdateTime() const {
-  return [device_ getLastInquiryUpdate];
+base::Time BluetoothClassicDeviceMac::GetLastUpdateTime() const {
+  return base::Time::FromDoubleT(
+      [[device_ getLastInquiryUpdate] timeIntervalSince1970]);
 }
 
 int BluetoothClassicDeviceMac::GetHostTransmitPower(
     BluetoothHCITransmitPowerLevelType power_level_type) const {
   IOBluetoothHostController* controller =
       [IOBluetoothHostController defaultController];
 
   // Bail if the undocumented API is unavailable on this machine.
   SEL selector = @selector(BluetoothHCIReadTransmitPowerLevel:
                                                        inType:
@@ skipping 12 matching lines @@
   return power_level;
 }
 
 // static
 std::string BluetoothClassicDeviceMac::GetDeviceAddress(
     IOBluetoothDevice* device) {
   return CanonicalizeAddress(base::SysNSStringToUTF8([device addressString]));
 }
 
 }  // namespace device