Clean up how IHttpContextAccessor is added

SteveSandersonMS · SteveSandersonMS · commit e583a17ef838 · 2017-10-23T15:13:33.000+01:00
diff --git a/src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderingServiceCollectionExtensions.cs b/src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderingServiceCollectionExtensions.cs
@@ -1,10 +1,4 @@
- using System;
-using System.Collections.Generic;
-using System.Text;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.NodeServices;
-using Microsoft.AspNetCore.SpaServices.Prerendering;
-using Microsoft.Extensions.DependencyInjection.Extensions;
+ using Microsoft.AspNetCore.SpaServices.Prerendering;
 
 namespace Microsoft.Extensions.DependencyInjection
{
@@ -20,7 +14,7 @@ public static class PrerenderingServiceCollectionExtensions
 /// <param name="serviceCollection">The <see cref="IServiceCollection"/>.</param>
 public static void AddSpaPrerenderer(this IServiceCollection serviceCollection)
{
- serviceCollection.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+ serviceCollection.AddHttpContextAccessor();
 serviceCollection.AddSingleton<ISpaPrerenderer, DefaultSpaPrerenderer>();
 }
 }

Original file line number	Diff line number	Diff line change
`@@ -1,10 +1,4 @@`
`1`		`-usingSystem;`
`2`		`-usingSystem.Collections.Generic;`
`3`		`-usingSystem.Text;`
`4`		`-usingMicrosoft.AspNetCore.Http;`
`5`		`-usingMicrosoft.AspNetCore.NodeServices;`
`6`		`-usingMicrosoft.AspNetCore.SpaServices.Prerendering;`
`7`		`-usingMicrosoft.Extensions.DependencyInjection.Extensions;`
	`1`	`+usingMicrosoft.AspNetCore.SpaServices.Prerendering;`
`8`	`2`
`9`	`3`	`namespaceMicrosoft.Extensions.DependencyInjection`
`10`	`4`	`{`
`@@ -20,7 +14,7 @@ public static class PrerenderingServiceCollectionExtensions`
`20`	`14`	`/// <param name="serviceCollection">The <see cref="IServiceCollection"/>.</param>`
`21`	`15`	`publicstaticvoidAddSpaPrerenderer(thisIServiceCollectionserviceCollection)`
`22`	`16`	`{`
`23`		`-serviceCollection.TryAddSingleton<IHttpContextAccessor,HttpContextAccessor>();`
	`17`	`+serviceCollection.AddHttpContextAccessor();`
`24`	`18`	`serviceCollection.AddSingleton<ISpaPrerenderer,DefaultSpaPrerenderer>();`
`25`	`19`	`}`
`26`	`20`	`}`