Handle change of BLE address after pairing

device/bluetooth/bluetooth_gatt_connection.h

Index: device/bluetooth/bluetooth_gatt_connection.h
diff --git a/device/bluetooth/bluetooth_gatt_connection.h b/device/bluetooth/bluetooth_gatt_connection.h
index ede1f3d0d1a63362ef8d1c68a0dd30d6c8faebc1..9146a5ce0ba3148de8faf0d29f341efa7ce15b93 100644
--- a/device/bluetooth/bluetooth_gatt_connection.h
+++ b/device/bluetooth/bluetooth_gatt_connection.h
@@ -24,7 +24,8 @@ class BluetoothDevice;
 class DEVICE_BLUETOOTH_EXPORT BluetoothGattConnection {
  public:
   BluetoothGattConnection(scoped_refptr<device::BluetoothAdapter> adapter,
-                          const std::string& device_address);
+                          const std::string& device_address,
+                          bool in_progress);
 
   // Destructor automatically closes this GATT connection. If this is the last
   // remaining GATT connection and this results in a call to the OS, that call
@@ -40,6 +41,10 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothGattConnection {
   // Returns true if this GATT connection is open.
   virtual bool IsConnected();
 
+  // Returns true if this GATT connection is still in proggress, that is it was
+  // not established yet.
+  virtual bool InProgress();
+
   // Disconnects this GATT connection. The device may still remain connected due
   // to other GATT connections. When all BluetoothGattConnection objects are
   // disconnected the BluetoothDevice object will disconnect GATT.
@@ -62,6 +67,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothGattConnection {
   std::string device_address_;
   BluetoothDevice* device_ = nullptr;
 
+  // true as long as the connection was not established
+  bool in_progress_;
+
  private:
   bool owns_reference_for_connection_ = false;