Use new HttpContext.Features API.

src/Microsoft.AspNet.Mvc.Core/PhysicalFileProviderResult.cs

@@ -69,7 +69,7 @@ namespace Microsoft.AspNet.Mvc
                 throw new FileNotFoundException(Resources.FormatFileResult_InvalidPath(FileName), FileName);
             }
 
-            var sendFile = response.HttpContext.GetFeature<IHttpSendFileFeature>();
+            var sendFile = response.HttpContext.Features.Get<IHttpSendFileFeature>();
             if (sendFile != null)
             {
                 await sendFile.SendFileAsync(

src/Microsoft.AspNet.Mvc.Core/VirtualFileProviderResult.cs

@@ -86,7 +86,7 @@ namespace Microsoft.AspNet.Mvc
             if (fileInfo.Exists)
             {
                 var physicalPath = fileInfo.PhysicalPath;
-                var sendFile = response.HttpContext.GetFeature<IHttpSendFileFeature>();
+                var sendFile = response.HttpContext.Features.Get<IHttpSendFileFeature>();
                 if (sendFile != null && !string.IsNullOrEmpty(physicalPath))
                 {
                     await sendFile.SendFileAsync(

src/Microsoft.AspNet.Mvc.Razor/RazorView.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Threading.Tasks;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Mvc.Rendering;
 using Microsoft.AspNet.PageExecutionInstrumentation;
 using Microsoft.Framework.Internal;
@@ -68,7 +69,7 @@ namespace Microsoft.AspNet.Mvc.Razor
         /// <inheritdoc />
         public virtual async Task RenderAsync([NotNull] ViewContext context)
         {
-            _pageExecutionFeature = context.HttpContext.GetFeature<IPageExecutionListenerFeature>();
+            _pageExecutionFeature = context.HttpContext.Features.Get<IPageExecutionListenerFeature>();
 
             // Partials don't execute _ViewStart pages, but may execute Layout pages if the Layout property
             // is explicitly specified in the page.

src/Microsoft.AspNet.Mvc.ViewFeatures/SkipStatusCodePagesAttribute.cs

@@ -3,6 +3,7 @@
 
 using System;
 using Microsoft.AspNet.Diagnostics;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.Framework.Internal;
 
 namespace Microsoft.AspNet.Mvc
@@ -21,7 +22,7 @@ namespace Microsoft.AspNet.Mvc
         /// <inheritdoc />
         public void OnResourceExecuting([NotNull]ResourceExecutingContext context)
         {
-            var statusCodeFeature = context.HttpContext.GetFeature<IStatusCodePagesFeature>();
+            var statusCodeFeature = context.HttpContext.Features.Get<IStatusCodePagesFeature>();
             if (statusCodeFeature != null)
             {
                 // Turn off the StatusCodePages feature.

src/Microsoft.AspNet.Mvc.ViewFeatures/TempData/SessionStateTempDataProvider.cs

@@ -183,7 +183,7 @@ namespace Microsoft.AspNet.Mvc
 
         private static bool IsSessionEnabled(HttpContext context)
         {
-            return context.GetFeature<ISessionFeature>() != null;
+            return context.Features.Get<ISessionFeature>() != null;
         }
 
         internal void EnsureObjectCanBeSerialized(object item)

src/Microsoft.AspNet.Mvc.WebApiCompatShim/Formatters/HttpResponseMessageOutputFormatter.cs

@@ -36,7 +36,7 @@ namespace Microsoft.AspNet.Mvc.WebApiCompatShim
             {
                 response.StatusCode = (int)responseMessage.StatusCode;
 
-                var responseFeature = context.HttpContext.GetFeature<IHttpResponseFeature>();
+                var responseFeature = context.HttpContext.Features.Get<IHttpResponseFeature>();
                 if (responseFeature != null)
                 {
                     responseFeature.ReasonPhrase = responseMessage.ReasonPhrase;

src/Microsoft.AspNet.Mvc.WebApiCompatShim/HttpRequestMessage/HttpRequestMessageHttpContextExtensions.cs

@@ -3,6 +3,7 @@
 
 using System.Net.Http;
 using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Features;
 
 namespace Microsoft.AspNet.Mvc.WebApiCompatShim
 {
@@ -10,11 +11,11 @@ namespace Microsoft.AspNet.Mvc.WebApiCompatShim
     {
         public static HttpRequestMessage GetHttpRequestMessage(this HttpContext httpContext)
         {
-            var feature = httpContext.GetFeature<IHttpRequestMessageFeature>();
+            var feature = httpContext.Features.Get<IHttpRequestMessageFeature>();
             if (feature == null)
             {
                 feature = new HttpRequestMessageFeature(httpContext);
-                httpContext.SetFeature(feature);
+                httpContext.Features.Set(feature);
             }
 
             return feature.HttpRequestMessage;

test/Microsoft.AspNet.Mvc.Core.Test/PhysicalFileProviderResultTest.cs

@@ -61,7 +61,7 @@ namespace Microsoft.AspNet.Mvc
                 .Returns(Task.FromResult<int>(0));
 
             var httpContext = new DefaultHttpContext();
-            httpContext.SetFeature(sendFileMock.Object);
+            httpContext.Features.Set(sendFileMock.Object);
             var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
 
             // Act

test/Microsoft.AspNet.Mvc.Core.Test/VirtualFileProviderResultTest.cs

@@ -100,7 +100,7 @@ namespace Microsoft.AspNet.Mvc
                 .Returns(Task.FromResult<int>(0));
 
             var httpContext = new DefaultHttpContext();
-            httpContext.SetFeature(sendFileMock.Object);
+            httpContext.Features.Set(sendFileMock.Object);
             var context = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
 
             // Act

test/Microsoft.AspNet.Mvc.Razor.Test/RazorViewTest.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Http.Internal;
 using Microsoft.AspNet.Mvc.ModelBinding;
 using Microsoft.AspNet.PageExecutionInstrumentation;
@@ -1096,7 +1097,7 @@ namespace Microsoft.AspNet.Mvc.Razor
                                      page,
                                      isPartial: false);
             var viewContext = CreateViewContext(view);
-            viewContext.HttpContext.SetFeature<IPageExecutionListenerFeature>(feature.Object);
+            viewContext.HttpContext.Features.Set<IPageExecutionListenerFeature>(feature.Object);
 
             // Act
             await view.RenderAsync(viewContext);
@@ -1142,7 +1143,7 @@ namespace Microsoft.AspNet.Mvc.Razor
                                      isPartial: true);
             var viewContext = CreateViewContext(view);
             viewContext.Writer = writer;
-            viewContext.HttpContext.SetFeature<IPageExecutionListenerFeature>(feature.Object);
+            viewContext.HttpContext.Features.Set<IPageExecutionListenerFeature>(feature.Object);
 
             // Act
             await view.RenderAsync(viewContext);

test/Microsoft.AspNet.Mvc.ViewFeatures.Test/SkipStatusCodePagesAttributeTest.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using Microsoft.AspNet.Diagnostics;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Http.Internal;
 using Microsoft.AspNet.Routing;
 using Xunit;
@@ -17,7 +18,7 @@ namespace Microsoft.AspNet.Mvc.Core.Test
             var skipStatusCodeAttribute = new SkipStatusCodePagesAttribute();
             var resourceExecutingContext = CreateResourceExecutingContext(new IFilterMetadata[] { skipStatusCodeAttribute });
             var statusCodePagesFeature = new TestStatusCodeFeature();
-            resourceExecutingContext.HttpContext.SetFeature<IStatusCodePagesFeature>(statusCodePagesFeature);
+            resourceExecutingContext.HttpContext.Features.Set<IStatusCodePagesFeature>(statusCodePagesFeature);
 
             // Act
             skipStatusCodeAttribute.OnResourceExecuting(resourceExecutingContext);

test/Microsoft.AspNet.Mvc.ViewFeatures.Test/TempData/SessionStateTempDataProviderTest.cs

@@ -352,7 +352,7 @@ namespace Microsoft.AspNet.Mvc
             var httpContext = new DefaultHttpContext();
             if(sessionEnabled)
             {
-                httpContext.SetFeature<ISessionFeature>(new SessionFeature() { Session = session });
+                httpContext.Features.Set<ISessionFeature>(new SessionFeature() { Session = session });
             }
             return httpContext;
         }

test/WebSites/FilesWebSite/SendFileMiddleware.cs

@@ -26,10 +26,10 @@ namespace FilesWebSite
         {
             var environment = (IApplicationEnvironment)context.RequestServices.GetService(typeof(IApplicationEnvironment));
 
-            if (context.GetFeature<IHttpSendFileFeature>() == null)
+            if (context.Features.Get<IHttpSendFileFeature>() == null)
             {
                 var sendFile = new SendFileFallBack(context.Response.Body, environment.ApplicationBasePath);
-                context.SetFeature<IHttpSendFileFeature>(sendFile);
+                context.Features.Set<IHttpSendFileFeature>(sendFile);
             }
 
             await _next(context);

test/WebSites/RazorPageExecutionInstrumentationWebSite/Startup.cs

@@ -5,6 +5,7 @@ using System;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.AspNet.Mvc.Razor.Compilation;
 using Microsoft.AspNet.PageExecutionInstrumentation;
 using Microsoft.Framework.DependencyInjection;
@@ -34,7 +35,7 @@ namespace RazorPageExecutionInstrumentationWebSite
                 {
                     var pageExecutionContext = context.ApplicationServices.GetRequiredService<TestPageExecutionContext>();
                     var listenerFeature = new TestPageExecutionListenerFeature(pageExecutionContext);
-                    context.SetFeature<IPageExecutionListenerFeature>(listenerFeature);
+                    context.Features.Set<IPageExecutionListenerFeature>(listenerFeature);
                 }
 
                 await next();