bluetooth: Create base class BluetoothDevice::CreateGattConnection impl.

device/bluetooth/bluetooth_low_energy_device_mac.mm

Index: device/bluetooth/bluetooth_low_energy_device_mac.mm
diff --git a/device/bluetooth/bluetooth_low_energy_device_mac.mm b/device/bluetooth/bluetooth_low_energy_device_mac.mm
index bd28398d1e84322923a85c8ea75588ccc6c19ab0..99ec7cd2bb2d25ff4556bf0a99b93b2338a5795c 100644
--- a/device/bluetooth/bluetooth_low_energy_device_mac.mm
+++ b/device/bluetooth/bluetooth_low_energy_device_mac.mm
@@ -114,6 +114,10 @@ bool BluetoothLowEnergyDeviceMac::IsPaired() const {
 }
 
 bool BluetoothLowEnergyDeviceMac::IsConnected() const {
+  return IsGattConnected();
+}
+
+bool BluetoothLowEnergyDeviceMac::IsGattConnected() const {
   return (GetPeripheralState() == CBPeripheralStateConnected);
 }
 
@@ -221,6 +225,18 @@ std::string BluetoothLowEnergyDeviceMac::GetDeviceName() const {
   return base::SysNSStringToUTF8([peripheral_ name]);
 }
 
+void BluetoothLowEnergyDeviceMac::CreateGattConnectionImpl() {
+  // Mac implementation does not yet use the default CreateGattConnection
+  // implementation. http://crbug.com/520774
+  NOTIMPLEMENTED();
+}
+
+void BluetoothLowEnergyDeviceMac::DisconnectGatt() {
+  // Mac implementation does not yet use the default CreateGattConnection
+  // implementation. http://crbug.com/520774
+  NOTIMPLEMENTED();
+}
+
 // static
 std::string BluetoothLowEnergyDeviceMac::GetPeripheralIdentifier(
     CBPeripheral* peripheral) {