Implement WebBluetooth descriptor.writeValue()

content/browser/bluetooth/web_bluetooth_service_impl.h

Index: content/browser/bluetooth/web_bluetooth_service_impl.h
diff --git a/content/browser/bluetooth/web_bluetooth_service_impl.h b/content/browser/bluetooth/web_bluetooth_service_impl.h
index c8a4c590726844bb6fb92ca659fe42af7a45c7fa..21660329d44778147a769d2eaf542e25bbcf7e69 100644
--- a/content/browser/bluetooth/web_bluetooth_service_impl.h
+++ b/content/browser/bluetooth/web_bluetooth_service_impl.h
@@ -136,6 +136,10 @@ class CONTENT_EXPORT WebBluetoothServiceImpl
   void RemoteDescriptorReadValue(
       const std::string& characteristic_instance_id,
       const RemoteDescriptorReadValueCallback& callback) override;
+  void RemoteDescriptorWriteValue(
+      const std::string& descriptor_instance_id,
+      const std::vector<uint8_t>& value,
+      const RemoteDescriptorWriteValueCallback& callback) override;
 
   void RequestDeviceImpl(
       blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
@@ -206,6 +210,13 @@ class CONTENT_EXPORT WebBluetoothServiceImpl
       const RemoteDescriptorReadValueCallback& callback,
       device::BluetoothRemoteGattService::GattErrorCode error_code);
 
+  // Callbacks for BluetoothRemoteGattDescriptor::WriteRemoteDescriptor.
+  void OnDescriptorWriteValueSuccess(
+      const RemoteDescriptorWriteValueCallback& callback);
+  void OnDescriptorWriteValueFailed(
+      const RemoteDescriptorWriteValueCallback& callback,
+      device::BluetoothRemoteGattService::GattErrorCode error_code);
+
   // Functions to query the platform cache for the bluetooth object.
   // result.outcome == CacheQueryOutcome::SUCCESS if the object was found in the
   // cache. Otherwise result.outcome that can used to record the outcome and