Add IsOriginSecure and GURL::SchemeUsesTLS.

chrome/common/origin_util.cc

+// Copyright (c) 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.
+
+#include "chrome/common/origin_util.h"
+
+#include "content/public/common/origin_util.h"
+#include "extensions/common/constants.h"
+#include "url/gurl.h"
+
+bool IsOriginSecure(const GURL& url) {
+  if (content::IsOriginSecure(url))
+    return true;
+
+  std::string scheme = url.scheme();
+  if (scheme == extensions::kExtensionScheme ||
+      scheme == extensions::kExtensionResourceScheme) {
+    return true;
+  }
+
+  return false;
+}