Add browser headless mode for Windows

src/undetected_chromedriver/__init__.py

@@ -119,6 +119,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
         suppress_welcome=True,
         use_subprocess=False,
         debug=False,
+        windows_headless=False,
         **kw
     ):
         """
@@ -384,17 +385,21 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
         if not desired_capabilities:
             desired_capabilities = options.to_capabilities()
 
-        if not use_subprocess:
+        if not use_subprocess and not windows_headless:
             self.browser_pid = start_detached(
                 options.binary_location, *options.arguments
             )
         else:
+            startupinfo = subprocess.STARTUPINFO()
+            if os.name == 'nt' and windows_headless:
+                startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
             browser = subprocess.Popen(
                 [options.binary_location, *options.arguments],
                 stdin=subprocess.PIPE,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
                 close_fds=IS_POSIX,
+                startupinfo=startupinfo
             )
             self.browser_pid = browser.pid