Removed Cors.Core dependency from Mvc.Core

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

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
-using Microsoft.AspNet.Cors.Core;
 using Microsoft.Framework.Internal;
 
 namespace Microsoft.AspNet.Mvc
@@ -16,6 +15,10 @@ namespace Microsoft.AspNet.Mvc
 
         private readonly IReadOnlyList<string> _methods;
 
+        private readonly string OriginHeader = "Origin";
+        private readonly string AccessControlRequestMethod = "Access-Control-Request-Method";
+        private readonly string PreflightHttpMethod = "OPTIONS";
+
         // Empty collection means any method will be accepted.
         public HttpMethodConstraint([NotNull] IEnumerable<string> httpMethods)
         {
@@ -56,13 +59,13 @@ namespace Microsoft.AspNet.Mvc
 
             var request = context.RouteContext.HttpContext.Request;
             var method = request.Method;
-            if (request.Headers.ContainsKey(CorsConstants.Origin))
+            if (request.Headers.ContainsKey(OriginHeader))
             {
                 // Update the http method if it is preflight request.
-                var accessControlRequestMethod = request.Headers.Get(CorsConstants.AccessControlRequestMethod);
+                var accessControlRequestMethod = request.Headers.Get(AccessControlRequestMethod);
                 if (string.Equals(
                         request.Method,
-                        CorsConstants.PreflightHttpMethod,
+                        PreflightHttpMethod,
                         StringComparison.Ordinal) &&
                     accessControlRequestMethod != null)
                 {

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

@@ -152,7 +152,6 @@ namespace Microsoft.Framework.DependencyInjection
         {
             services.AddOptions();
             services.AddRouting();
-            services.AddCors();
             services.AddNotifier();
             services.Configure<RouteOptions>(
                 routeOptions => routeOptions.ConstraintMap.Add("exists", typeof(KnownRouteValueConstraint)));

src/Microsoft.AspNet.Mvc.Core/project.json

@@ -5,8 +5,8 @@
         "warningsAsErrors": true
     },
     "dependencies": {
-        "Microsoft.AspNet.Cors.Core": "1.0.0-*",
         "Microsoft.AspNet.Hosting.Abstractions": "1.0.0-*",
+        "Microsoft.AspNet.Http": "1.0.0-*",
         "Microsoft.AspNet.Mvc.Abstractions": "6.0.0-*",
         "Microsoft.AspNet.Mvc.Common": { "version": "6.0.0-*", "type": "build" },
         "Microsoft.AspNet.WebUtilities": "1.0.0-*",