Bluetooth: macOS: Implementing read/write for descriptors

device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm

Index: device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
diff --git a/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm b/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
index 4f8a1b853928ee53d48ad465865045002c99f75d..e0287fff8a6e0848c61d8a5c0d5dff4e7f3b41ab 100644
--- a/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
+++ b/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
@@ -49,6 +49,14 @@ class BluetoothLowEnergyPeripheralBridge {
     device_mac_->DidDiscoverDescriptors(characteristic, error);
   }
 
+  void DidUpdateValueForDescriptor(CBDescriptor* descriptor, NSError* error) {
+    device_mac_->DidUpdateValueForDescriptor(descriptor, error);
+  }
+
+  void DidWriteValueForDescriptor(CBDescriptor* descriptor, NSError* error) {
+    device_mac_->DidWriteValueForDescriptor(descriptor, error);
+  }
+
   CBPeripheral* GetPeripheral() { return device_mac_->GetPeripheral(); }
 
  private:
@@ -113,4 +121,16 @@ class BluetoothLowEnergyPeripheralBridge {
   bridge_->DidDiscoverDescriptors(characteristic, error);
 }
 
+- (void)peripheral:(CBPeripheral*)peripheral
+    didUpdateValueForDescriptor:(CBDescriptor*)descriptor
+                          error:(nullable NSError*)error {
+  bridge_->DidUpdateValueForDescriptor(descriptor, error);
+}
+
+- (void)peripheral:(CBPeripheral*)peripheral
+    didWriteValueForDescriptor:(CBDescriptor*)descriptor
+                         error:(nullable NSError*)error {
+  bridge_->DidWriteValueForDescriptor(descriptor, error);
+}
+
 @end