Remove outdated devices from Android device chooser

device/bluetooth/bluetooth_adapter_mac_unittest.mm

Index: device/bluetooth/bluetooth_adapter_mac_unittest.mm
diff --git a/device/bluetooth/bluetooth_adapter_mac_unittest.mm b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
index 9bdb2710963277d573605388025c832c01e58517..200f0ea34d9f0de14d3f825330b21b93e5b43f8f 100644
--- a/device/bluetooth/bluetooth_adapter_mac_unittest.mm
+++ b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
@@ -83,12 +83,6 @@ class BluetoothAdapterMacTest : public testing::Test {
     return BluetoothLowEnergyDeviceMac::GetPeripheralHashAddress(peripheral);
   }
 
-  void SetDeviceTimeGreaterThanTimeout(BluetoothLowEnergyDeviceMac* device) {
-    device->last_update_time_.reset([[NSDate
-        dateWithTimeInterval:-(BluetoothAdapterMac::kDiscoveryTimeoutSec + 1)
-                   sinceDate:[NSDate date]] retain]);
-  }
-
   void AddLowEnergyDevice(BluetoothLowEnergyDeviceMac* device) {
     adapter_mac_->devices_.set(device->GetAddress(),
                                std::unique_ptr<BluetoothDevice>(device));
@@ -102,8 +96,6 @@ class BluetoothAdapterMacTest : public testing::Test {
     return (device != NULL);
   }
 
-  void RemoveTimedOutDevices() { adapter_mac_->RemoveTimedOutDevices(); }
-
   bool SetMockCentralManager(CBCentralManagerState desired_state) {
     if (!BluetoothAdapterMac::IsLowEnergyAvailable()) {
       LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
@@ -267,60 +259,4 @@ TEST_F(BluetoothAdapterMacTest, LowEnergyDeviceUpdatedNewDevice) {
   EXPECT_TRUE(DevicePresent(mock_peripheral));
 }
 
-TEST_F(BluetoothAdapterMacTest, LowEnergyDeviceUpdatedOldDevice) {
-  if (!SetMockCentralManager(CBCentralManagerStatePoweredOn))
-    return;
-  base::scoped_nsobject<CBPeripheral> mock_peripheral(
-      CreateMockPeripheral(kTestNSUUID));
-  if (mock_peripheral.get() == nil)
-    return;
-  base::scoped_nsobject<NSDictionary> advertisement_data(AdvertisementData());
-
-  // Update the device for the first time and check it was correctly added to
-  // |devices_|.
-  EXPECT_EQ(0, NumDevices());
-  EXPECT_FALSE(DevicePresent(mock_peripheral));
-  LowEnergyDeviceUpdated(mock_peripheral, advertisement_data, kTestRssi);
-  EXPECT_EQ(1, NumDevices());
-  EXPECT_TRUE(DevicePresent(mock_peripheral));
-  // Search for the device by the address corresponding to |kTestNSUUID|.
-  BluetoothDeviceMac* device =
-      static_cast<BluetoothDeviceMac*>(GetDevice(kTestHashAddress));
-  base::scoped_nsobject<NSDate> first_update_time(
-      [device->GetLastUpdateTime() retain]);
-
-  // Update the device a second time. The device should be updated in
-  // |devices_| so check the time returned by GetLastUpdateTime() has increased.
-  LowEnergyDeviceUpdated(mock_peripheral, advertisement_data, kTestRssi);
-  EXPECT_EQ(1, NumDevices());
-  EXPECT_TRUE(DevicePresent(mock_peripheral));
-  device = static_cast<BluetoothDeviceMac*>(GetDevice(kTestHashAddress));
-  EXPECT_TRUE([device->GetLastUpdateTime() compare:first_update_time] ==
-              NSOrderedDescending);
-}
-
-TEST_F(BluetoothAdapterMacTest, UpdateDevicesRemovesLowEnergyDevice) {
-  if (!SetMockCentralManager(CBCentralManagerStatePoweredOn))
-    return;
-  base::scoped_nsobject<CBPeripheral> mock_peripheral(
-      CreateMockPeripheral(kTestNSUUID));
-  if (mock_peripheral.get() == nil)
-    return;
-  base::scoped_nsobject<NSDictionary> advertisement_data(AdvertisementData());
-
-  BluetoothLowEnergyDeviceMac* device = new BluetoothLowEnergyDeviceMac(
-      adapter_mac_, mock_peripheral, advertisement_data, kTestRssi);
-  SetDeviceTimeGreaterThanTimeout(device);
-
-  EXPECT_EQ(0, NumDevices());
-  AddLowEnergyDevice(device);
-  EXPECT_EQ(1, NumDevices());
-  EXPECT_TRUE(DevicePresent(mock_peripheral));
-
-  // Check that object pointed to by |device| is deleted by the adapter.
-  RemoveTimedOutDevices();
-  EXPECT_EQ(0, NumDevices());
-  EXPECT_FALSE(DevicePresent(mock_peripheral));
-}
-
 }  // namespace device