[dotnet] Do not warn when passing in null driver paths to driver service

Author: RenderMichael

dotnet/src/webdriver/Chrome/ChromeDriverService.cs

@@ -63,7 +63,7 @@ public static ChromeDriverService CreateDefaultService()
         /// </summary>
         /// <param name="driverPath">The path to the executable or the directory containing the ChromeDriver executable.</param>
         /// <returns>A ChromeDriverService using a random port.</returns>
-        public static ChromeDriverService CreateDefaultService(string driverPath)
+        public static ChromeDriverService CreateDefaultService(string? driverPath)
         {
             string fileName;
             if (File.Exists(driverPath))
@@ -85,7 +85,7 @@ public static ChromeDriverService CreateDefaultService(string driverPath)
         /// <param name="driverPath">The directory containing the ChromeDriver executable.</param>
         /// <param name="driverExecutableFileName">The name of the ChromeDriver executable file.</param>
         /// <returns>A ChromeDriverService using a random port.</returns>
-        public static ChromeDriverService CreateDefaultService(string driverPath, string driverExecutableFileName)
+        public static ChromeDriverService CreateDefaultService(string? driverPath, string? driverExecutableFileName)
         {
             return new ChromeDriverService(driverPath, driverExecutableFileName, PortUtilities.FindFreePort());
         }

dotnet/src/webdriver/Edge/EdgeDriverService.cs

@@ -74,7 +74,7 @@ public static EdgeDriverService CreateDefaultService()
         /// </summary>
         /// <param name="driverPath">The directory containing the EdgeDriver executable.</param>
         /// <returns>An EdgeDriverService using a random port.</returns>
-        public static EdgeDriverService CreateDefaultService(string driverPath)
+        public static EdgeDriverService CreateDefaultService(string? driverPath)
         {
             string fileName;
             if (File.Exists(driverPath))
@@ -96,7 +96,7 @@ public static EdgeDriverService CreateDefaultService(string driverPath)
         /// <param name="driverPath">The directory containing the EdgeDriver executable.</param>
         /// <param name="driverExecutableFileName">The name of the EdgeDriver executable file.</param>
         /// <returns>A EdgeDriverService using a random port.</returns>
-        public static EdgeDriverService CreateDefaultService(string driverPath, string driverExecutableFileName)
+        public static EdgeDriverService CreateDefaultService(string? driverPath, string? driverExecutableFileName)
         {
             return new EdgeDriverService(driverPath, driverExecutableFileName, PortUtilities.FindFreePort());
         }

dotnet/src/webdriver/Firefox/FirefoxDriverService.cs

@@ -194,7 +194,7 @@ public static FirefoxDriverService CreateDefaultService()
         /// </summary>
         /// <param name="driverPath">The path to the executable or the directory containing the Firefox driver executable.</param>
         /// <returns>A FirefoxDriverService using a random port.</returns>
-        public static FirefoxDriverService CreateDefaultService(string driverPath)
+        public static FirefoxDriverService CreateDefaultService(string? driverPath)
         {
             string fileName;
             if (File.Exists(driverPath))
@@ -216,7 +216,7 @@ public static FirefoxDriverService CreateDefaultService(string driverPath)
         /// <param name="driverPath">The directory containing the Firefox driver executable.</param>
         /// <param name="driverExecutableFileName">The name of the Firefox driver executable file.</param>
         /// <returns>A FirefoxDriverService using a random port.</returns>
-        public static FirefoxDriverService CreateDefaultService(string driverPath, string driverExecutableFileName)
+        public static FirefoxDriverService CreateDefaultService(string? driverPath, string? driverExecutableFileName)
         {
             return new FirefoxDriverService(driverPath, driverExecutableFileName, PortUtilities.FindFreePort());
         }

dotnet/src/webdriver/IE/InternetExplorerDriverService.cs

@@ -138,7 +138,7 @@ public static InternetExplorerDriverService CreateDefaultService()
         /// </summary>
         /// <param name="driverPath">The path to the executable or the directory containing the <c>IEDriverServer</c> executable.</param>
         /// <returns>A InternetExplorerDriverService using a random port.</returns>
-        public static InternetExplorerDriverService CreateDefaultService(string driverPath)
+        public static InternetExplorerDriverService CreateDefaultService(string? driverPath)
         {
             string fileName;
             if (File.Exists(driverPath))
@@ -160,7 +160,7 @@ public static InternetExplorerDriverService CreateDefaultService(string driverPa
         /// <param name="driverPath">The directory containing the <c>IEDriverServer</c> executable.</param>
         /// <param name="driverExecutableFileName">The name of the <c>IEDriverServer</c> executable file.</param>
         /// <returns>A InternetExplorerDriverService using a random port.</returns>
-        public static InternetExplorerDriverService CreateDefaultService(string driverPath, string driverExecutableFileName)
+        public static InternetExplorerDriverService CreateDefaultService(string? driverPath, string? driverExecutableFileName)
         {
             return new InternetExplorerDriverService(driverPath, driverExecutableFileName, PortUtilities.FindFreePort());
         }

dotnet/src/webdriver/Safari/SafariDriverService.cs

@@ -103,7 +103,7 @@ public static SafariDriverService CreateDefaultService()
         /// </summary>
         /// <param name="driverPath">The path to the executable or the directory containing the SafariDriver executable.</param>
         /// <returns>A SafariDriverService using a random port.</returns>
-        public static SafariDriverService CreateDefaultService(string driverPath)
+        public static SafariDriverService CreateDefaultService(string? driverPath)
         {
             string fileName;
             if (File.Exists(driverPath))
@@ -125,7 +125,7 @@ public static SafariDriverService CreateDefaultService(string driverPath)
         /// <param name="driverPath">The directory containing the SafariDriver executable.</param>
         /// <param name="driverExecutableFileName">The name of the SafariDriver executable file.</param>
         /// <returns>A SafariDriverService using a random port.</returns>
-        public static SafariDriverService CreateDefaultService(string driverPath, string driverExecutableFileName)
+        public static SafariDriverService CreateDefaultService(string? driverPath, string? driverExecutableFileName)
         {
             return new SafariDriverService(driverPath, driverExecutableFileName, PortUtilities.FindFreePort());
         }