bluetooth: mac: Initial BluetoothRemoteGattCharacteristicMac implementation

device/bluetooth/bluetooth_remote_gatt_service_mac.h

Index: device/bluetooth/bluetooth_remote_gatt_service_mac.h
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_mac.h b/device/bluetooth/bluetooth_remote_gatt_service_mac.h
index f5add19df25f1f481358f48c45298dee5513d635..2a8a6af02a2444083b000e31732d8e0d3fcbf6c5 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_mac.h
+++ b/device/bluetooth/bluetooth_remote_gatt_service_mac.h
@@ -9,15 +9,17 @@
 
 #include <vector>
 
+#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/mac/scoped_nsobject.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
 
+@class CBPeripheral;
 @class CBService;
 
 namespace device {
 
 class BluetoothDevice;
-class BluetoothGattCharacteristic;
+class BluetoothRemoteGattCharacteristicMac;
 class BluetoothLowEnergyDeviceMac;
 class BluetoothTestMac;
 
@@ -45,6 +47,18 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattServiceMac
   friend BluetoothLowEnergyDeviceMac;
   friend BluetoothTestMac;
 
+  // Starts discovering characteristics by calling CoreBluetooth.
+  void DiscoverCharacteristics();
+
+  // Called by the BluetoothLowEnergyDeviceMac instance when the characteristics
+  // has been discovered.
+  void DidDiscoverCharacteristics();
+
+  // Returns true if the characteristics has been discovered.
+  bool IsDiscoveryComplete();
+
+  // Returns CBPeripheral.
+  CBPeripheral* GetPeripheral() const;
   // Returns CBService.
   CBService* GetService() const;
 
@@ -52,11 +66,17 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattServiceMac
   BluetoothLowEnergyDeviceMac* bluetooth_device_mac_;
   // A service from CBPeripheral.services.
   base::scoped_nsobject<CBService> service_;
+  // Map of characteristics, keyed by characteristic identifier.
+  base::ScopedPtrHashMap<std::string,
+                         std::unique_ptr<BluetoothRemoteGattCharacteristicMac>>
+      gatt_characteristic_macs_;
   bool is_primary_;
   // Service identifier.
   std::string identifier_;
   // Service UUID.
   BluetoothUUID uuid_;
+  // Is true if the characteristics has been discovered.
+  bool is_discovery_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceMac);
 };