CefSharpで黒い余白が発生し、内部の位置がズレてしまう問題の解決方法

using CefSharp;
using CefSharp.WinForms;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CefSharpCallFromJavaScript
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            InitializeChromium();
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            Cef.Shutdown();
        }

        private ChromiumWebBrowser _browser;

        public void InitializeChromium()
        {
            CefSharpSettings.LegacyJavascriptBindingEnabled = true;
            CefSettings settings = new CefSettings();
            // Initialize cef with the provided settings
            Cef.Initialize(settings);
            // Create a browser component
            _browser = new ChromiumWebBrowser("https://localhost:44315/");
            // Add it to the form and fill it to the form window.
            Controls.Add(_browser);
            _browser.Dock = DockStyle.Fill;
        }
    }
}

public void InitializeChromium()
        {
            CefSharpSettings.LegacyJavascriptBindingEnabled = true;
            CefSettings settings = new CefSettings();
            // これを入れないと黒い余白が発生していまう。
            Cef.EnableHighDPISupport();
            // Initialize cef with the provided settings
            Cef.Initialize(settings);