Moved methods off of IStringLocalizer and into extension methods

src/Microsoft.Framework.Localization.Abstractions/IStringLocalizer.cs

@@ -26,21 +26,6 @@ namespace Microsoft.Framework.Localization
         /// <returns>The formatted string resource as a <see cref="LocalizedString"/>.</returns>
         LocalizedString this[string name, params object[] arguments] { get; }
         
-        /// <summary>
-        /// Gets the string resource with the given name.
-        /// </summary>
-        /// <param name="name">The name of the string resource.</param>
-        /// <returns>The string resource as a <see cref="LocalizedString"/>.</returns>
-        LocalizedString GetString(string name);
-
-        /// <summary>
-        /// Gets the string resource with the given name and formatted with the supplied arguments.
-        /// </summary>
-        /// <param name="name">The name of the string resource.</param>
-        /// <param name="arguments">The values to format the string with.</param>
-        /// <returns>The formatted string resource as a <see cref="LocalizedString"/>.</returns>
-        LocalizedString GetString(string name, params object[] arguments);
-
         /// <summary>
         /// Creates a new <see cref="ResourceManagerStringLocalizer"/> for a specific <see cref="CultureInfo"/>.
         /// </summary>

src/Microsoft.Framework.Localization.Abstractions/IStringLocalizerExtensions.cs

@@ -0,0 +1,29 @@
+// Copyright (c) .NET Foundation. All rights reserved. 
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. 
+
+namespace Microsoft.Framework.Localization
+{
+    public static class IStringLocalizerExtensions
+    {
+        /// <summary>
+        /// Gets the string resource with the given name.
+        /// </summary>
+        /// <param name="name">The name of the string resource.</param>
+        /// <returns>The string resource as a <see cref="LocalizedString"/>.</returns>
+        public static LocalizedString GetString(this IStringLocalizer stringLocalizer, string name)
+        {
+            return stringLocalizer[name];
+        }
+
+        /// <summary>
+        /// Gets the string resource with the given name and formatted with the supplied arguments.
+        /// </summary>
+        /// <param name="name">The name of the string resource.</param>
+        /// <param name="arguments">The values to format the string with.</param>
+        /// <returns>The formatted string resource as a <see cref="LocalizedString"/>.</returns>
+        public static LocalizedString GetString(this IStringLocalizer stringLocalizer, string name, params object[] arguments)
+        {
+            return stringLocalizer[name, arguments];
+        }
+    }
+}

src/Microsoft.Framework.Localization/ResourceManagerStringLocalizer.cs

@@ -53,25 +53,25 @@ namespace Microsoft.Framework.Localization
         protected string ResourceBaseName { get; }
 
         /// <inheritdoc />
-        public virtual LocalizedString this[[NotNull] string name] => GetString(name);
+        public virtual LocalizedString this[[NotNull] string name]
-
+        {
-        /// <inheritdoc />
+            get
-        public virtual LocalizedString this[[NotNull] string name, params object[] arguments] => GetString(name, arguments);
-
-        /// <inheritdoc />
-        public virtual LocalizedString GetString([NotNull] string name)
             {
                 var value = GetStringSafely(name, null);
                 return new LocalizedString(name, value ?? name, resourceNotFound: value == null);
             }
+        }
 
         /// <inheritdoc />
-        public virtual LocalizedString GetString([NotNull] string name, params object[] arguments)
+        public virtual LocalizedString this[[NotNull] string name, params object[] arguments]
+        {
+            get
             {
                 var format = GetStringSafely(name, null);
                 var value = string.Format(format ?? name, arguments);
                 return new LocalizedString(name, value, resourceNotFound: format == null);
             }
+        }
 
         /// <summary>
         /// Creates a new <see cref="ResourceManagerStringLocalizer"/> for a specific <see cref="CultureInfo"/>.

src/Microsoft.Framework.Localization/ResourceManagerWithCultureStringLocalizer.cs

@@ -36,25 +36,25 @@ namespace Microsoft.Framework.Localization
         }
 
         /// <inheritdoc />
-        public override LocalizedString this[[NotNull] string name] => GetString(name);
+        public override LocalizedString this[[NotNull] string name]
-
+        {
-        /// <inheritdoc />
+            get
-        public override LocalizedString this[[NotNull] string name, params object[] arguments] => GetString(name, arguments);
-
-        /// <inheritdoc />
-        public override LocalizedString GetString([NotNull] string name)
             {
                 var value = GetStringSafely(name, _culture);
                 return new LocalizedString(name, value ?? name);
             }
+        }
 
         /// <inheritdoc />
-        public override LocalizedString GetString([NotNull] string name, params object[] arguments)
+        public override LocalizedString this[[NotNull] string name, params object[] arguments]
+        {
+            get
             {
                 var format = GetStringSafely(name, _culture);
                 var value = string.Format(_culture, format ?? name, arguments);
                 return new LocalizedString(name, value ?? name, resourceNotFound: format == null);
             }
+        }
 
         /// <inheritdoc />
         public override IEnumerator<LocalizedString> GetEnumerator()