bluetooth: Create base class BluetoothDevice::CreateGattConnection impl.

device/bluetooth/bluetooth_device_android.h

Index: device/bluetooth/bluetooth_device_android.h
diff --git a/device/bluetooth/bluetooth_device_android.h b/device/bluetooth/bluetooth_device_android.h
index 1e608f1df9f42cc6821bfc96e7edb5b0e1b04625..e9e4a6bb7d8864b869d87a3e10f748a84329378b 100644
--- a/device/bluetooth/bluetooth_device_android.h
+++ b/device/bluetooth/bluetooth_device_android.h
@@ -50,6 +50,7 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDeviceAndroid final
   uint16 GetDeviceID() const override;
   bool IsPaired() const override;
   bool IsConnected() const override;
+  bool IsGattConnected() const override;
   bool IsConnectable() const override;
   bool IsConnecting() const override;
   UUIDList GetUUIDs() const override;
@@ -78,19 +79,20 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDeviceAndroid final
       const device::BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
-  void CreateGattConnection(
-      const GattConnectionCallback& callback,
-      const ConnectErrorCallback& error_callback) override;
 
  protected:
   BluetoothDeviceAndroid(BluetoothAdapterAndroid* adapter);
 
   // BluetoothDevice:
   std::string GetDeviceName() const override;
+  void CreateGattConnectionImpl() override;
+  void DisconnectGatt() override;
 
   // Java object org.chromium.device.bluetooth.ChromeBluetoothDevice.
   base::android::ScopedJavaGlobalRef<jobject> j_device_;
 
+  bool gatt_connected_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceAndroid);
 };