Add support for media attribute on link

third_party/WebKit/Source/core/loader/LinkLoader.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class Document;
 class LinkRelAttribute;
 class NetworkHintsInterface;
 class PrerenderHandle;
+struct ViewportDescriptionWrapper;
 
 // The LinkLoader can load link rel types icon, dns-prefetch, subresource, prefetch and prerender.
 class CORE_EXPORT LinkLoader final : public NoBaseWillBeGarbageCollectedFinalized<LinkLoader>, public ResourceOwner<Resource, ResourceClient>, public PrerenderClient {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(LinkLoader);
 public:
     static PassOwnPtrWillBeRawPtr<LinkLoader> create(LinkLoaderClient* client)
     {
         return adoptPtrWillBeNoop(new LinkLoader(client));
     }
     ~LinkLoader() override;
 
     // from ResourceClient
     void notifyFinished(Resource*) override;
     String debugName() const override { return "LinkLoader"; }
 
     // from PrerenderClient
     void didStartPrerender() override;
     void didStopPrerender() override;
     void didSendLoadForPrerender() override;
     void didSendDOMContentLoadedForPrerender() override;
 
     void triggerEvents(const Resource*);
 
     void released();
-    bool loadLink(const LinkRelAttribute&, CrossOriginAttributeValue, const String& type, const String& as, const KURL&, Document&, const NetworkHintsInterface&);
+    bool loadLink(const LinkRelAttribute&, CrossOriginAttributeValue, const String& type, const String& as, const String& media, const KURL&, Document&, const NetworkHintsInterface&);
     enum CanLoadResources { OnlyLoadResources, DoNotLoadResources, LoadResourcesAndPreconnect };
-    static void loadLinksFromHeader(const String& headerValue, const KURL& baseURL, Document*, const NetworkHintsInterface&, CanLoadResources);
+    static void loadLinksFromHeader(const String& headerValue, const KURL& baseURL, Document*, const NetworkHintsInterface&, CanLoadResources, ViewportDescriptionWrapper*);
     static bool getResourceTypeFromAsAttribute(const String& as, Resource::Type&);
 
     DECLARE_TRACE();
 
 private:
     explicit LinkLoader(LinkLoaderClient*);
 
     void linkLoadTimerFired(Timer<LinkLoader>*);
     void linkLoadingErrorTimerFired(Timer<LinkLoader>*);
     void createLinkPreloadResourceClient(Resource*);
 
     RawPtrWillBeMember<LinkLoaderClient> m_client;
 
     Timer<LinkLoader> m_linkLoadTimer;
     Timer<LinkLoader> m_linkLoadingErrorTimer;
 
     OwnPtrWillBeMember<PrerenderHandle> m_prerender;
     OwnPtrWillBeMember<LinkPreloadResourceClient> m_linkPreloadResourceClient;
 };
 
 } // namespace blink
 
 #endif