Added a check around the HttpResponse Headers property so that it can return regardless of hosting env. This allows Owin to work

Steve Pfister · Steve Pfister · commit d02bd0aa4eef · 2018-08-23T22:19:06.000-04:00
diff --git a/mcs/class/referencesource/System.Web/HttpResponse.cs b/mcs/class/referencesource/System.Web/HttpResponse.cs
@@ -910,10 +910,11 @@ internal HttpCookieCollection GetCookiesNoCreate() {
 
         public NameValueCollection Headers {
             get {
+#if (!MONO || !FEATURE_PAL)
                 if ( !(_wr is IIS7WorkerRequest) ) {
                     throw new PlatformNotSupportedException(System.Web.SR.GetString(System.Web.SR.Requires_Iis_Integrated_Mode));
                 }
-
+#endif
                 if (_headers == null) {
                     _headers = new HttpHeaderCollection(_wr, this, 16);
                 }

Original file line number	Diff line number	Diff line change
`@@ -910,10 +910,11 @@ internal HttpCookieCollection GetCookiesNoCreate() {`
`910`	`910`
`911`	`911`	`public NameValueCollection Headers {`
`912`	`912`	`get {`
	`913`	`+#if (!MONO \|\| !FEATURE_PAL)`
`913`	`914`	`if ( !(_wr is IIS7WorkerRequest) ) {`
`914`	`915`	`throw new PlatformNotSupportedException(System.Web.SR.GetString(System.Web.SR.Requires_Iis_Integrated_Mode));`
`915`	`916`	`}`
`916`		`-`
	`917`	`+#endif`
`917`	`918`	`if (_headers == null) {`
`918`	`919`	`_headers = new HttpHeaderCollection(_wr, this, 16);`
`919`	`920`	`}`