Explore the possibility of implementing the CSS Region interface.

Source/core/dom/NamedFlow.h

 /*
  * Copyright (C) 2011 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.
@@ skipping 20 matching lines @@
 #define NamedFlow_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/events/EventTarget.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
+class CSSRegion;
 class Document;
 class NamedFlowCollection;
 class Node;
 class NodeList;
 class RenderNamedFlowThread;
 class ExecutionContext;
 
 class NamedFlow : public RefCounted<NamedFlow>, public ScriptWrappable, public EventTargetWithInlineData {
     REFCOUNTED_EVENT_TARGET(NamedFlow);
 public:
     static PassRefPtr<NamedFlow> create(PassRefPtr<NamedFlowCollection> manager, const AtomicString& flowThreadName);
 
     ~NamedFlow();
 
     const AtomicString& name() const;
     bool overset() const;
     int firstEmptyRegionIndex() const;
-    PassRefPtr<NodeList> getRegionsByContent(Node*);
-    PassRefPtr<NodeList> getRegions();
+    Vector<RefPtr<CSSRegion>> getRegionsByContent(Node*);
+    Vector<RefPtr<CSSRegion>> getRegions();

[abarth-chromium, 2013/10/25 16:56:20]

We still support C++03

     PassRefPtr<NodeList> getContent();
 
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     // This function is called from the JS binding code to determine if the NamedFlow object is reachable or not.
     // If the object has listeners, the object should only be discarded if the parent Document is not reachable.
     Node* ownerNode() const;
 
     void setRenderer(RenderNamedFlowThread* parentFlowThread);
@@ skipping 14 matching lines @@
     // The name of the flow thread as specified in CSS.
     AtomicString m_flowThreadName;
 
     RefPtr<NamedFlowCollection> m_flowManager;
     RenderNamedFlowThread* m_parentFlowThread;
 };
 
 }
 
 #endif