Implementing GATT connection/disconnect on OS X.

device/bluetooth/bluetooth_adapter_mac.h

Index: device/bluetooth/bluetooth_adapter_mac.h
diff --git a/device/bluetooth/bluetooth_adapter_mac.h b/device/bluetooth/bluetooth_adapter_mac.h
index 472c2f9bd104fc65cdf9e53719324d8612bc1069..7bd221d425fb0099e4af4dc4850547c6408ae0ee 100644
--- a/device/bluetooth/bluetooth_adapter_mac.h
+++ b/device/bluetooth/bluetooth_adapter_mac.h
@@ -97,10 +97,16 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
   // (crbug.com/506287).
   static bool IsLowEnergyAvailable();
 
-  // Resets |low_energy_central_manager_| to |central_manager| and sets
-  // |low_energy_central_manager_delegate_| as the manager's delegate. Should
-  // be called only when |IsLowEnergyAvailable()|.
-  void SetCentralManagerForTesting(CBCentralManager* central_manager);
+  // Creates a GATT connection by calling CoreBluetooth APIs.
+  void CreateGattConnection(BluetoothLowEnergyDeviceMac* device_mac);
+
+  // Closes the GATT connection by calling CoreBluetooth APIs.
+  void DisconnectGatt(BluetoothLowEnergyDeviceMac* device_mac);
+
+  // Methods called from CBCentralManager delegate.
+  void DidConnectPeripheral(CBPeripheral* peripheral);
+  void DidFailToConnectPeripheral(CBPeripheral* peripheral, NSError* error);
+  void DidDisconnectPeripheral(CBPeripheral* peripheral, NSError* error);
 
  protected:
   // BluetoothAdapter override:
@@ -108,6 +114,12 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
  private:
+  // Resets |low_energy_central_manager_| to |central_manager| and sets
+  // |low_energy_central_manager_delegate_| as the manager's delegate. Should
+  // be called only when |IsLowEnergyAvailable()|.
+  void SetCentralManagerForTesting(CBCentralManager* central_manager);
+  CBCentralManager* GetCentralManagerForTesting();
+
   // The length of time that must elapse since the last Inquiry response (on
   // Classic devices) or call to BluetoothLowEnergyDevice::Update() (on Low
   // Energy) before a discovered device is considered to be no longer available.
@@ -162,6 +174,10 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
   // observers.
   void AddPairedDevices();
 
+  // Returns the BLE device associated with the CoreBluetooth peripheral.
+  BluetoothLowEnergyDeviceMac* GetBluetoothLowEnergyDeviceMac(
+      CBPeripheral* peripheral);
+
   std::string address_;
   std::string name_;
   bool classic_powered_;