platform/loader: move LinkHeader from network/ to loader/

third_party/WebKit/Source/platform/network/LinkHeader.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 LinkHeader_h
-#define LinkHeader_h
-
-#include "platform/PlatformExport.h"
-#include "wtf/Allocator.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-class LinkHeader {
-  DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
-
- public:
-  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:
-  friend class LinkHeaderSet;
-
-  template <typename Iterator>
-  LinkHeader(Iterator begin, Iterator end);
-  void setValue(LinkParameterName, const String& value);
-
-  String m_url;
-  String m_rel;
-  String m_as;
-  String m_mimeType;
-  String m_media;
-  String m_crossOrigin;
-  bool m_isValid;
-};
-
-class PLATFORM_EXPORT LinkHeaderSet {
-  STACK_ALLOCATED();
-
- 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(); }
-  LinkHeader& operator[](size_t i) { return m_headerSet[i]; }
-  size_t size() { return m_headerSet.size(); }
-
- private:
-  Vector<LinkHeader> m_headerSet;
-};
-
-}  // namespace blink
-
-#endif