Adding the last test related with connect/disconnect

device/bluetooth/test/bluetooth_test_mac.mm

Index: device/bluetooth/test/bluetooth_test_mac.mm
diff --git a/device/bluetooth/test/bluetooth_test_mac.mm b/device/bluetooth/test/bluetooth_test_mac.mm
index 8d0cf366671eb7fbf90f692356861bae5d6b97af..1df5a76cbc3e205f534cf766a7904dc47ad4b1c6 100644
--- a/device/bluetooth/test/bluetooth_test_mac.mm
+++ b/device/bluetooth/test/bluetooth_test_mac.mm
@@ -202,7 +202,9 @@ void BluetoothTestMac::SimulateGattConnection(BluetoothDevice* device) {
                      didConnectPeripheral:peripheral];
 }
 
-void BluetoothTestMac::SimulateGattDisconnection(BluetoothDevice* device) {
+void BluetoothTestMac::SimulateGattConnectionError(
+    BluetoothDevice* device,
+    BluetoothDevice::ConnectErrorCode errorCode) {
   BluetoothLowEnergyDeviceMac* lowEnergyDeviceMac =
       static_cast<BluetoothLowEnergyDeviceMac*>(device);
   CBPeripheral* peripheral = lowEnergyDeviceMac->GetPeripheral();
@@ -210,14 +212,14 @@ void BluetoothTestMac::SimulateGattDisconnection(BluetoothDevice* device) {
   [mockPeripheral setState:CBPeripheralStateDisconnected];
   CBCentralManager* centralManager =
       static_cast<CBCentralManager*>(mock_central_manager_);
+  NSError* error =
+      BluetoothAdapterMac::GetNSErrorFromConnectErrorCode(errorCode);
   [centralManager.delegate centralManager:centralManager
-                  didDisconnectPeripheral:peripheral
-                                    error:nil];
+               didFailToConnectPeripheral:peripheral
+                                    error:error];
 }
 
-void BluetoothTestMac::SimulateGattConnectionError(
-    BluetoothDevice* device,
-    BluetoothDevice::ConnectErrorCode errorCode) {
+void BluetoothTestMac::SimulateGattDisconnection(BluetoothDevice* device) {
   BluetoothLowEnergyDeviceMac* lowEnergyDeviceMac =
       static_cast<BluetoothLowEnergyDeviceMac*>(device);
   CBPeripheral* peripheral = lowEnergyDeviceMac->GetPeripheral();
@@ -225,14 +227,9 @@ void BluetoothTestMac::SimulateGattConnectionError(
   [mockPeripheral setState:CBPeripheralStateDisconnected];
   CBCentralManager* centralManager =
       static_cast<CBCentralManager*>(mock_central_manager_);
-  // TODO(http://crbug.com/585894): Need to convert the connect error code into
-  // NSError
-  NSError* error = [NSError errorWithDomain:@"BluetoothDevice::ConnectErrorCode"
-                                       code:-1
-                                   userInfo:nil];
   [centralManager.delegate centralManager:centralManager
-               didFailToConnectPeripheral:peripheral
-                                    error:error];
+                  didDisconnectPeripheral:peripheral
+                                    error:nil];
 }
 
 void BluetoothTestMac::OnFakeBluetoothDeviceConnectGattCalled() {