Allow cross-origin cssRules access to CORS-fetched stylesheet.

Source/core/html/HTMLLinkElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
  * 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 86 matching lines @@
         None,
         NonBlocking,
         Blocking
     };
 
     void clearSheet();
     void addPendingSheet(PendingSheetType);
     void removePendingSheet();
     Document& document();
 
+    void setCrossOriginStylesheetStatus(const KURL&, CSSStyleSheet*);
+    void setFetchFollowingCORS()
+    {
+        ASSERT(!m_fetchFollowingCORS);

[Mike West, 2015/03/17 20:05:46]

Why ASSERT here?

[sof, 2015/03/17 21:52:15]

Just sanity checking that it represents a state transition.

+        m_fetchFollowingCORS = true;
+    }
+
     RefPtrWillBeMember<CSSStyleSheet> m_sheet;
     DisabledState m_disabledState;
     PendingSheetType m_pendingSheetType;
     bool m_loading;
     bool m_firedLoad;
     bool m_loadedSheet;
+    bool m_fetchFollowingCORS;
 };
 
 
 class HTMLLinkElement final : public HTMLElement, public LinkLoaderClient {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<HTMLLinkElement> create(Document&, bool createdByParser);
     virtual ~HTMLLinkElement();
 
     KURL href() const;
@@ skipping 85 matching lines @@
     Vector<IntSize> m_iconSizes;
     LinkRelAttribute m_relAttribute;
 
     bool m_createdByParser;
     bool m_isInShadowTree;
 };
 
 } // namespace blink
 
 #endif // HTMLLinkElement_h