CORS-RFC1918: Pipe creator address space through SharedWorker creation.

third_party/WebKit/public/platform/WebAddressSpace.h

+// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WebAddressSpace_h
+#define WebAddressSpace_h
+
+namespace blink {
+
+// The ordering is important, as it's used to determine whether preflights are required,
+// as per https://mikewest.github.io/cors-rfc1918/#framework
+enum WebAddressSpace {
+    WebAddressSpaceLocal = 0, // loopback, link local
+    WebAddressSpacePrivate, // Reserved by RFC1918
+    WebAddressSpacePublic, // Everything else
+    WebAddressSpaceLast = WebAddressSpacePublic
+};
+
+} // namespace blink
+
+#endif // WebAddressSpace_h