*** DO NOT LAND *** Attempt to understand Regions complexity

Source/core/dom/NamedFlowCollection.h

Index: Source/core/dom/NamedFlowCollection.h
diff --git a/Source/core/dom/NamedFlowCollection.h b/Source/core/dom/NamedFlowCollection.h
deleted file mode 100644
index 881cd5dcecaa1788163aba25dda089b1c68ac05f..0000000000000000000000000000000000000000
--- a/Source/core/dom/NamedFlowCollection.h
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-/*
- * Copyright (C) 2012 Adobe Systems Incorporated. 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 HOLDER "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 HOLDER 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.
- */
-
-#ifndef NamedFlowCollection_h
-#define NamedFlowCollection_h
-
-#include "core/dom/DocumentLifecycleObserver.h"
-#include "core/dom/NamedFlow.h"
-#include "wtf/Forward.h"
-#include "wtf/ListHashSet.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-class Document;
-class DOMNamedFlowCollection;
-
-class NamedFlowCollection FINAL : public RefCounted<NamedFlowCollection>, public DocumentLifecycleObserver {
-public:
-    static PassRefPtr<NamedFlowCollection> create(Document* doc) { return adoptRef(new NamedFlowCollection(doc)); }
-
-    Vector<RefPtr<NamedFlow> > namedFlows();
-    NamedFlow* flowByName(const AtomicString&);
-    PassRefPtr<NamedFlow> ensureFlowWithName(const AtomicString&);
-
-    void discardNamedFlow(NamedFlow*);
-
-    Document* document() const;
-
-    virtual ~NamedFlowCollection() { }
-
-    PassRefPtr<DOMNamedFlowCollection> createCSSOMSnapshot();
-
-private:
-    struct NamedFlowHashFunctions;
-    struct NamedFlowHashTranslator;
-
-    typedef ListHashSet<NamedFlow*, 1, NamedFlowHashFunctions> NamedFlowSet;
-
-    explicit NamedFlowCollection(Document*);
-
-    NamedFlowSet m_namedFlows;
-};
-
-} // namespace WebCore
-
-#endif // NamedFlowCollection_h