Create overloads for HttpClient builders to remove service name

src/Microsoft.Identity.Web/DownstreamWebApiSupport/MicrosoftIdentityAuthenticationMessageHandlerHttpClientBuilderExtensions.cs

@@ -14,13 +14,29 @@ namespace Microsoft.Identity.Web
     /// </summary>
     public static class MicrosoftIdentityAuthenticationMessageHandlerHttpClientBuilderExtensions
     {
+        private const string ObseleteMessage = "This method which accepts a service name is deprecated. Use the overload that uses the HttpClient name as the service name instead.";
+
         /// <summary>
         /// Adds a named Microsoft Identity user authentication message handler related to a specific configuration section.
         /// </summary>
         /// <param name="builder">Builder.</param>
-        /// <param name="serviceName">Name of the configuration for the service.</param>
         /// <param name="configuration">Configuration.</param>
         /// <returns>The builder for chaining.</returns>
+        public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
+            this IHttpClientBuilder builder,
+            IConfiguration configuration)
+        {
+            if (builder == null)
+            {
+                throw new ArgumentNullException(nameof(builder));
+            }
+
+            return builder.AddMicrosoftIdentityUserAuthenticationHandler(builder.Name, configuration);
+        }
+
+        /// <inheritdoc cref="AddMicrosoftIdentityUserAuthenticationHandler(IHttpClientBuilder, IConfiguration)" />
+        /// <param name="serviceName">Name of the configuration for the service.</param>
+        [Obsolete(ObseleteMessage)]
         public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
             this IHttpClientBuilder builder,
             string serviceName,
@@ -41,9 +57,23 @@ public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
         /// Adds a named Microsoft Identity user authentication message handler initialized with delegates.
         /// </summary>
         /// <param name="builder">Builder.</param>
-        /// <param name="serviceName">Name of the configuration for the service.</param>
         /// <param name="configureOptions">Action to configure the options.</param>
         /// <returns>The builder for chaining.</returns>
+        public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
+            this IHttpClientBuilder builder,
+            Action<MicrosoftIdentityAuthenticationMessageHandlerOptions> configureOptions)
+        {
+            if (builder == null)
+            {
+                throw new ArgumentNullException(nameof(builder));
+            }
+
+            return builder.AddMicrosoftIdentityUserAuthenticationHandler(builder.Name, configureOptions);
+        }
+
+        /// <inheritdoc cref="AddMicrosoftIdentityUserAuthenticationHandler(IHttpClientBuilder, Action{MicrosoftIdentityAuthenticationMessageHandlerOptions})"/>
+        /// <param name="serviceName">Name of the configuration for the service.</param>
+        [Obsolete(ObseleteMessage)]
         public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
             this IHttpClientBuilder builder,
             string serviceName,
@@ -64,9 +94,23 @@ public static IHttpClientBuilder AddMicrosoftIdentityUserAuthenticationHandler(
         /// Adds a named Microsoft Identity application authentication message handler related to a specific configuration section.
         /// </summary>
         /// <param name="builder">Builder.</param>
-        /// <param name="serviceName">Name of the configuration for the service.</param>
         /// <param name="configuration">Configuration.</param>
         /// <returns>The builder for chaining.</returns>
+        public static IHttpClientBuilder AddMicrosoftIdentityAppAuthenticationHandler(
+            this IHttpClientBuilder builder,
+            IConfiguration configuration)
+        {
+            if (builder == null)
+            {
+                throw new ArgumentNullException(nameof(builder));
+            }
+
+            return builder.AddMicrosoftIdentityAppAuthenticationHandler(builder.Name, configuration);
+        }
+
+        /// <inheritdoc cref="AddMicrosoftIdentityAppAuthenticationHandler(IHttpClientBuilder, IConfiguration)"/>
+        /// <param name="serviceName">Name of the configuration for the service.</param>
+        [Obsolete(ObseleteMessage)]
         public static IHttpClientBuilder AddMicrosoftIdentityAppAuthenticationHandler(
             this IHttpClientBuilder builder,
             string serviceName,
@@ -87,9 +131,23 @@ public static IHttpClientBuilder AddMicrosoftIdentityAppAuthenticationHandler(
         /// Adds a named Microsoft Identity application authentication message handler initialized with delegates.
         /// </summary>
         /// <param name="builder">Builder.</param>
-        /// <param name="serviceName">Name of the configuration for the service.</param>
         /// <param name="configureOptions">Action to configure the options.</param>
         /// <returns>The builder for chaining.</returns>
+        public static IHttpClientBuilder AddMicrosoftIdentityAppAuthenticationHandler(
+            this IHttpClientBuilder builder,
+            Action<MicrosoftIdentityAuthenticationMessageHandlerOptions> configureOptions)
+        {
+            if (builder == null)
+            {
+                throw new ArgumentNullException(nameof(builder));
+            }
+
+            return builder.AddMicrosoftIdentityAppAuthenticationHandler(builder.Name, configureOptions);
+        }
+
+        /// <inheritdoc cref="AddMicrosoftIdentityAppAuthenticationHandler(IHttpClientBuilder, Action{MicrosoftIdentityAuthenticationMessageHandlerOptions})"/>
+        /// <param name="serviceName">Name of the configuration for the service.</param>
+        [Obsolete(ObseleteMessage)]
         public static IHttpClientBuilder AddMicrosoftIdentityAppAuthenticationHandler(
             this IHttpClientBuilder builder,
             string serviceName,