Support whitelisting to handle insecure origins as trustworthy origins (chromium)

chrome/common/secure_origin_whitelist.h

+// Copyright 2015 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 CHROME_COMMON_SECURE_ORIGIN_WHITELIST_H_
+#define CHROME_COMMON_SECURE_ORIGIN_WHITELIST_H_
+
+#include <set>
+
+#include "url/gurl.h"
+
+// Returns whitelisted origins that need to be considered trustworthy.
+// The whitelist is given by kUnsafetyTreatInsecureOriginAsSecure
+// command-line option.
+// See https://www.w3.org/TR/powerful-features/#is-origin-trustworthy.
+void GetSecureOriginWhitelist(std::set<GURL>* origins);
+
+#endif  // CHROME_COMMON_SECURE_ORIGIN_WHITELIST_H_