Handle change of BLE address after pairing

device/bluetooth/bluetooth_device.h

 // Copyright (c) 2012 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.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 400 matching lines @@
 
   // Opens a new GATT connection to this device. On success, a new
   // BluetoothGattConnection will be handed to the caller via |callback|. On
   // error, |error_callback| will be called. The connection will be kept alive,
   // as long as there is at least one active GATT connection. In the case that
   // the underlying connection gets terminated, either due to a call to
   // BluetoothDevice::Disconnect or other unexpected circumstances, the
   // returned BluetoothGattConnection will be automatically marked as inactive.
   // To monitor the state of the connection, observe the
   // BluetoothAdapter::Observer::DeviceChanged method.
-  typedef base::Callback<void(scoped_ptr<BluetoothGattConnection>)>
-      GattConnectionCallback;
-  virtual void CreateGattConnection(const GattConnectionCallback& callback,
-                                    const ConnectErrorCallback& error_callback);
+  typedef base::Callback<void()> GattConnectionCallback;
+  virtual scoped_ptr<device::BluetoothGattConnection> CreateGattConnection(
+      const GattConnectionCallback& callback,
+      const ConnectErrorCallback& error_callback);
 
   // Returns the list of discovered GATT services.
   virtual std::vector<BluetoothGattService*> GetGattServices() const;
 
   // Returns the GATT service with device-specific identifier |identifier|.
   // Returns NULL, if no such service exists.
   virtual BluetoothGattService* GetGattService(
       const std::string& identifier) const;
 
   // Returns service data of a service given its UUID.
@@ skipping 21 matching lines @@
 
   BluetoothDevice(BluetoothAdapter* adapter);
 
   // Returns the internal name of the Bluetooth device, used by GetName().
   virtual std::string GetDeviceName() const = 0;
 
   // Implements platform specific operations to initiate a GATT connection.
   // Subclasses must also call DidConnectGatt, DidFailToConnectGatt, or
   // DidDisconnectGatt immediately or asynchronously as the connection state
   // changes.
-  virtual void CreateGattConnectionImpl() = 0;
+  virtual scoped_ptr<device::BluetoothGattConnection>
+  CreateGattConnectionImpl() = 0;
+
+  // Return new BluetoothGattConnection for already connected BluetoothDevice.
+  virtual scoped_ptr<device::BluetoothGattConnection>
+  ExistingGattConnection() = 0;
 
   // Disconnects GATT connection on platforms that maintain a specific GATT
   // connection.
   virtual void DisconnectGatt() = 0;
 
   // Calls any pending callbacks for CreateGattConnection based on result of
   // subclasses actions initiated in CreateGattConnectionImpl or related
   // disconnection events. These may be called at any time, even multiple times,
   // to ensure a change in platform state is correctly tracked.
   //
@@ skipping 40 matching lines @@
 
  private:
   // Returns a localized string containing the device's bluetooth address and
   // a device type for display when |name_| is empty.
   base::string16 GetAddressWithLocalizedDeviceTypeName() const;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_