Move IsOriginSecure() into //content and use it in ServiceWorker

content/public/common/origin_util.h

-// Copyright (c) 2015 The Chromium Authors. All rights reserved.
+// 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_ORIGIN_UTIL_H_
-#define CHROME_COMMON_ORIGIN_UTIL_H_
+#ifndef CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_
+#define CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_
+
+#include "content/common/content_export.h"
 
 class GURL;
 
+namespace content {
+
 // Returns true if the origin is trustworthy: that is, if its contents can be
 // said to have been transferred to the browser in a way that a network attacker
 // cannot tamper with or observe.
 //
 // See https://www.w3.org/TR/powerful-features/#is-origin-trustworthy.
-bool IsOriginSecure(const GURL& url);
+bool CONTENT_EXPORT IsOriginSecure(const GURL& url);
 
-#endif  // CHROME_COMMON_ORIGIN_UTIL_H_
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_ORIGIN_UTIL_H_