React to aspnet/Razor#352.

N. Taylor Mullen · N. Taylor Mullen · commit 920358ab0de2 · 2015-06-25T15:48:18.000-07:00
diff --git a/src/Microsoft.AspNet.Tooling.Razor/RazorPlugin.cs b/src/Microsoft.AspNet.Tooling.Razor/RazorPlugin.cs
@@ -72,7 +72,11 @@ public bool ProcessMessage(JObject data, IAssemblyLoadContext assemblyLoadContex
                         messageData.SourceLocation,
                         errorSink);
                     var tagHelperDescriptors = tagHelperTypes.SelectMany(
-                        type => TagHelperDescriptorFactory.CreateDescriptors(assemblyName, type, errorSink));
+                        type => TagHelperDescriptorFactory.CreateDescriptors(
+                            assemblyName,
+                            type,
+                            designTime: true,
+                            errorSink: errorSink));
 
                     var responseMessage = new ResolveTagHelperDescriptorsMessage(
                         new ResolveTagHelperDescriptorsResponseData
diff --git a/test/Microsoft.AspNet.Tooling.Razor.Tests/RazorPluginTest.cs b/test/Microsoft.AspNet.Tooling.Razor.Tests/RazorPluginTest.cs
@@ -29,7 +29,8 @@ public class RazorPluginTest
                 CustomTagHelperType.FullName,
                 CustomTagHelperAssembly,
                 attributes: new TagHelperAttributeDescriptor[0],
-                requiredAttributes: new string[0]);
+                requiredAttributes: new string[0],
+                usageDescriptor: null);
 
         [Fact]
         public void ProcessMessage_ThrowsWhenNoMessageType()
