Isolated more web usages - Membership and Request stuff

- Moved a few more files

src/Umbraco.Web/AspNet/AspNetRequestAccessor.cs

@@ -0,0 +1,24 @@
+using Umbraco.Core.Request;
+
+namespace Umbraco.Web.AspNet
+{
+    public class AspNetRequestAccessor : IRequestAccessor
+    {
+        private readonly IHttpContextAccessor _httpContextAccessor;
+
+        public AspNetRequestAccessor(IHttpContextAccessor httpContextAccessor)
+        {
+            _httpContextAccessor = httpContextAccessor;
+        }
+
+        public string GetRequestValue(string name)
+        {
+            return _httpContextAccessor.GetRequiredHttpContext().Request[name];
+        }
+
+        public string GetQueryStringValue(string name)
+        {
+            return _httpContextAccessor.GetRequiredHttpContext().Request.QueryString[name];
+        }
+    }
+}