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diff --git a/Source/WebCore/loader/LinkHeader.h b/Source/WebCore/loader/LinkHeader.h
new file mode 100644
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+++ b/Source/WebCore/loader/LinkHeader.h
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+/*
+ * Copyright 2015 The Chromium Authors. All rights reserved.
+ * Copyright (C) 2016 Akamai Technologies Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+class LinkHeader {
+public:
+    template <typename CharacterType>
+    LinkHeader(CharacterType*& position, CharacterType* const end);
+
+    const String& url() const { return m_url; }
+    const String& rel() const { return m_rel; }
+    const String& as() const { return m_as; }
+    const String& mimeType() const { return m_mimeType; }
+    const String& media() const { return m_media; }
+    const String& crossOrigin() const { return m_crossOrigin; }
+    bool valid() const { return m_isValid; }
+
+    enum LinkParameterName {
+        LinkParameterRel,
+        LinkParameterAnchor,
+        LinkParameterTitle,
+        LinkParameterMedia,
+        LinkParameterType,
+        LinkParameterRev,
+        LinkParameterHreflang,
+        // Beyond this point, only link-extension parameters
+        LinkParameterUnknown,
+        LinkParameterCrossOrigin,
+        LinkParameterAs,
+    };
+
+private:
+    void setValue(LinkParameterName, String value);
+
+    String m_url;
+    String m_rel;
+    String m_as;
+    String m_mimeType;
+    String m_media;
+    String m_crossOrigin;
+    bool m_isValid { true };
+};
+
+class LinkHeaderSet {
+public:
+    LinkHeaderSet(const String& header);
+
+    Vector<LinkHeader>::const_iterator begin() const { return m_headerSet.begin(); }
+    Vector<LinkHeader>::const_iterator end() const { return m_headerSet.end(); }
+
+private:
+    template <typename CharacterType>
+    void init(CharacterType* headerValue, size_t length);
+
+    Vector<LinkHeader> m_headerSet;
+};
+
+} // namespace WebCore
+