Add support for media attribute on link

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 194 matching lines @@
 
         HTMLElement::parseAttribute(name, oldValue, value);
     }
 }
 
 bool HTMLLinkElement::shouldLoadLink()
 {
     return inDocument();
 }
 
-bool HTMLLinkElement::loadLink(const String& type, const String& as, const KURL& url)
+bool HTMLLinkElement::loadLink(const String& type, const String& as, const String& media, const KURL& url)
 {
-    return m_linkLoader->loadLink(m_relAttribute, crossOriginAttributeValue(fastGetAttribute(HTMLNames::crossoriginAttr)), type, as, url, document(), NetworkHintsInterfaceImpl());
+    return m_linkLoader->loadLink(m_relAttribute, crossOriginAttributeValue(fastGetAttribute(HTMLNames::crossoriginAttr)), type, as, media, url, document(), NetworkHintsInterfaceImpl());
 }
 
 LinkResource* HTMLLinkElement::linkResourceToProcess()
 {
     bool visible = inDocument() && !m_isInShadowTree;
     if (!visible) {
         ASSERT(!linkStyle() || !linkStyle()->hasSheet());
         return nullptr;
     }
 
@@ skipping 467 matching lines @@
         sheet->setAllowRuleAccessFromOrigin(m_owner->document().getSecurityOrigin());
     }
     m_fetchFollowingCORS = false;
 }
 
 void LinkStyle::process()
 {
     ASSERT(m_owner->shouldProcessStyle());
     String type = m_owner->typeValue().lower();
     String as = m_owner->asValue().lower();
+    String media = m_owner->media().lower();
     LinkRequestBuilder builder(m_owner);
 
     if (m_owner->relAttribute().getIconType() != InvalidIcon && builder.url().isValid() && !builder.url().isEmpty()) {
         if (!m_owner->shouldLoadLink())
             return;
         if (!document().getSecurityOrigin()->canDisplay(builder.url()))
             return;
         if (!document().contentSecurityPolicy()->allowImageFromSource(builder.url()))
             return;
         if (document().frame() && document().frame()->loader().client())
             document().frame()->loader().client()->dispatchDidChangeIcons(m_owner->relAttribute().getIconType());
     }
 
-    if (!m_owner->loadLink(type, as, builder.url()))
+    if (!m_owner->loadLink(type, as, media, builder.url()))
         return;
 
     if (m_disabledState != Disabled && m_owner->relAttribute().isStyleSheet() && styleSheetTypeIsSupported(type) && shouldLoadResource() && builder.url().isValid()) {
         if (resource()) {
             removePendingSheet();
             clearResource();
             clearFetchFollowingCORS();
         }
 
         if (!m_owner->shouldLoadLink())
@@ skipping 57 matching lines @@
 }
 
 DEFINE_TRACE(LinkStyle)
 {
     visitor->trace(m_sheet);
     LinkResource::trace(visitor);
     ResourceOwner<StyleSheetResource>::trace(visitor);
 }
 
 } // namespace blink