bluetooth: macOS: Support for extra didConnectPeripheral event from macOS.

device/bluetooth/bluetooth_low_energy_device_mac.h

 // Copyright 2015 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_LOW_ENERGY_DEVICE_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
 
 #if defined(OS_IOS)
 #import <CoreBluetooth/CoreBluetooth.h>
 #else  // !defined(OS_IOS)
@@ skipping 63 matching lines @@
       const ConnectToServiceErrorCallback& error_callback) override;
   void ConnectToServiceInsecurely(
       const device::BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
 
  protected:
   // BluetoothDevice override.
   void CreateGattConnectionImpl() override;
   void DisconnectGatt() override;
+  void DidConnectGatt() override;
 
   // Methods used by BluetoothLowEnergyPeripheralBridge.
   void DidDiscoverPrimaryServices(NSError* error);
   void DidModifyServices(NSArray* invalidatedServices);
   void DidDiscoverCharacteristics(CBService* cb_service, NSError* error);
   void DidUpdateValue(CBCharacteristic* characteristic, NSError* error);
   void DidWriteValue(CBCharacteristic* characteristic, NSError* error);
   void DidUpdateNotificationState(CBCharacteristic* characteristic,
                                   NSError* error);
   void DidDiscoverDescriptors(CBCharacteristic* characteristic, NSError* error);
@@ skipping 42 matching lines @@
   // CoreBluetooth data structure.
   base::scoped_nsobject<CBPeripheral> peripheral_;
 
   // Objective-C delegate for the CBPeripheral.
   base::scoped_nsobject<BluetoothLowEnergyPeripheralDelegate>
       peripheral_delegate_;
 
   // Whether the device is connectable.
   bool connectable_;
 
+  // Whether the device is connected.
+  bool connected_;
+
   // The peripheral's identifier, as returned by [CBPeripheral identifier].
   std::string identifier_;
 
   // A local address for the device created by hashing the peripheral
   // identifier.
   std::string hash_address_;
 
   // Increases each time -[CBPeripheral discoverServices:] is called, and
   // decreases each time DidDiscoverPrimaryServices() is called. Once the
   // value is set to 0, characteristics and properties are discovered.
   int discovery_pending_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceMac);
 };
 
 // Stream operator for logging.
 DEVICE_BLUETOOTH_EXPORT std::ostream& operator<<(
     std::ostream& out,
     const BluetoothLowEnergyDeviceMac& device);
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_